8-Letter Words Starting With O
Here's the list of all the 1301 8-Letter Words Starting With O in the English Language.
The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.
| Common Words (with Definitions and Examples) | |
|---|---|
| original | 1. an original creation (i.e., an audio recording) from which copies can be made 2. something that serves as a model or a basis for making copies More Definitions → |
| official | 1. having official authority or sanction 2. of or relating to an office More Definitions → |
| overview | 1. a general summary of a subject More Definitions → |
| optional | 1. possible but not necessary; left to personal choice More Definitions → |
| offering | 1. something offered (as a proposal or bid) 2. money contributed to a religious organization; item or items contributed to a religious organization for religious purposes More Definitions → |
| ordering | 1. logical or comprehensible arrangement of separate elements 2. the act of putting things in a sequential arrangement More Definitions → |
| outdoors | 1. outside a building 2. where the air is unconfined More Definitions → |
| operator | 1. (mathematics) a symbol or function representing a mathematical operation 2. an agent that operates some apparatus or machine More Definitions → |
| observed | 1. discovered or determined by scientific observation More Definitions → |
| occurred | 1. come to pass 2. come to one's mind; suggest itself More Definitions → |
| oriented | 1. adjusted or located in relation to surroundings or circumstances; sometimes used in combination More Definitions → |
| overseas | 1. in a foreign country 2. being or passing over or across the sea More Definitions → |
| ordinary | 1. a judge of a probate court 2. the expected or commonplace condition or situation More Definitions → |
| opposite | 1. a word that expresses a meaning opposed to the meaning of another word, in which case the two words are antonyms of each other 2. a relation of direct opposition More Definitions → |
| occasion | 1. an event that occurs at a critical time 2. a formal or official social gathering or ceremony of people More Definitions → |
| offshore | 1. at some distance from the shore 2. (of winds) coming from the land More Definitions → |
| outreach | 1. the act of reaching out More Definitions → |
| occupied | 1. keep busy with 2. live (in a certain place) More Definitions → |
| observer | 1. a person who becomes aware (of things or events) through the senses 2. an expert who observes and comments on something More Definitions → |
| organize | 1. create (as an entity) 2. cause to be structured or ordered or operating according to some principle or idea More Definitions → |
| oriental | 1. denoting or characteristic of countries of the Far East More Definitions → |
| overcome | 1. win a victory over 2. get on top of; deal with successfully More Definitions → |
| overhead | 1. the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes 2. (computer science) the processing time required by a device prior to the execution of a command More Definitions → |
| outlined | 1. showing clearly the outline or profile or boundary More Definitions → |
| opponent | 1. a contestant that you are matched against 2. someone who offers opposition More Definitions → |
| optimize | 1. make optimal; get the most out of; use best 2. modify to achieve maximum efficiency in storage capacity or time or cost More Definitions → |
| outgoing | 1. leaving a place or a position 2. retiring from a position or office More Definitions → |
| offender | 1. a person who transgresses moral or civil law More Definitions → |
| oncology | 1. the branch of medicine concerned with the study and treatment of tumors More Definitions → |
| orthodox | 1. adhering to what is commonly accepted More Definitions → |
| overtime | 1. work done in addition to regular working hours 2. playing time beyond regulation, to break a tie More Definitions → |
| organism | 1. a living thing that has (or can develop) the ability to act or function independently 2. a system considered analogous in structure or function to a living body More Definitions → |
| overflow | 1. flow or run over (a limit or brim) 2. overflow with a certain feeling More Definitions → |
| obsolete | 1. no longer in use 2. old; no longer valid or fashionable More Definitions → |
| opposing | 1. characterized by active hostility More Definitions → |
| outdated | 1. old; no longer valid or fashionable More Definitions → |
| outbreak | 1. a sudden violent spontaneous occurrence (usually of some undesirable condition) More Definitions → |
| ornament | 1. make more attractive by adding ornament, colour, etc. 2. be an ornament to More Definitions → |
| override | 1. rule against 2. prevail over More Definitions → |
| overland | 1. traveling or passing over land More Definitions → |
| overload | 1. become overloaded 2. fill to excess so that function is impaired More Definitions → |
| obituary | 1. a notice of someone's death; usually includes a short biography More Definitions → |
| overdose | 1. dose too heavily More Definitions → |
| obstacle | 1. something immaterial that stands in the way and must be circumvented or surmounted 2. an obstruction that stands in the way (and must be removed or surmounted or circumvented) More Definitions → |
| organise | 1. bring order and organization to 2. create (as an entity) More Definitions → |
| ontology | 1. (computer science) a rigorous and exhaustive organization of some knowledge domain that is usually hierarchical and contains all the relevant entities and their relations 2. the metaphysical study of the nature of being and existence More Definitions → |
| offended | 1. emotionally hurt or upset or annoyed More Definitions → |
| omission | 1. a mistake resulting from neglect 2. something that has been omitted More Definitions → |
| obsessed | 1. having or showing excessive or compulsive concern with something 2. influenced or controlled by a powerful force such as a strong emotion More Definitions → |
| outright | 1. without reservation or exception 2. without restrictions or stipulations or further payments More Definitions → |
| outbound | 1. that is going out or leaving More Definitions → |
| overture | 1. orchestral music played at the beginning of an opera or oratorio 2. something that serves as a preceding event or introduces what follows More Definitions → |
| openness | 1. without obstructions to passage or view 2. characterized by an attitude of ready accessibility (especially about one's actions or purposes); without concealment; not secretive More Definitions → |
| overcast | 1. the state of the sky when it is covered by clouds 2. gloomy semidarkness caused by cloud cover More Definitions → |
| outlying | 1. relatively far from a center or middle More Definitions → |
| optimism | 1. the optimistic feeling that all is going to turn out well 2. a general disposition to expect the best in all things More Definitions → |
| overhaul | 1. travel past 2. make repairs, renovations, revisions or adjustments to More Definitions → |
| overlook | 1. look past, fail to notice 2. be oriented in a certain direction More Definitions → |
| oblivion | 1. the state of being disregarded or forgotten 2. total forgetfulness More Definitions → |
| ordnance | 1. military supplies 2. large but transportable armament More Definitions → |
| outboard | 1. located away from the midline of a vessel or aircraft 2. a motorboat with an outboard motor More Definitions → |
| ordained | 1. fixed or established especially by order or command 2. invested with ministerial or priestly functions More Definitions → |
| outsider | 1. someone who is excluded from or is not a member of a group 2. a contestant (human or animal) not considered to have a good chance to win More Definitions → |
| oversize | 1. larger than normal for its kind More Definitions → |
| occupant | 1. someone who lives at a particular place for a prolonged period or who was born there More Definitions → |
| ointment | 1. semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation 2. toiletry consisting of any of various substances in the form of a thick liquid that have a soothing and moisturizing effect when applied to the skin More Definitions → |
| ordinate | 1. appoint to a clerical posts 2. bring (components or parts) into proper or desirable coordination correlation More Definitions → |
| outraged | 1. angered at something unjust or wrong More Definitions → |
| outweigh | 1. be heavier than 2. weigh more heavily More Definitions → |
| oncogene | 1. a gene that disposes normal cells to change into cancerous tumor cells More Definitions → |
| orphaned | 1. deprived of parents by death or desertion More Definitions → |
| overkill | 1. the capability to obliterate a target with more weapons (especially nuclear weapons) than are required 2. any effort that seems to go farther than would be necessary to achieve its goal More Definitions → |
| obsidian | 1. acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces More Definitions → |
| optimise | 1. make optimal; get the most out of; use best 2. modify to achieve maximum efficiency in storage capacity or time or cost More Definitions → |
| overfull | 1. exceeding demand More Definitions → |
| overturn | 1. turn from an upright or normal position 2. cause to overturn from an upright or normal position More Definitions → |
| obedient | 1. dutifully complying with the commands or instructions of those in authority More Definitions → |
| optimist | 1. a person disposed to take a favorable view of things More Definitions → |
| oxidized | 1. combined with or having undergone a chemical reaction with oxygen More Definitions → |
| outburst | 1. an unrestrained expression of emotion 2. a sudden intense happening More Definitions → |
| overcame | 1. win a victory over 2. get on top of; deal with successfully More Definitions → |
| operable | 1. capable of being treated by surgical operation 2. fit or ready for use or service More Definitions → |
| omitting | 1. prevent from being included or considered or accepted 2. leave undone or leave out More Definitions → |
| overtake | 1. catch up with and possibly overtake 2. travel past More Definitions → |
| obstruct | 1. hinder or prevent the progress or accomplishment of 2. block passage through More Definitions → |
| outlawed | 1. contrary to or forbidden by law More Definitions → |
| odometer | 1. a meter that shows mileage traversed More Definitions → |
| oilfield | 1. a region rich in petroleum deposits (especially one with producing oil wells) More Definitions → |
| outfield | 1. the area of a baseball playing field beyond the lines connecting the bases More Definitions → |
| overseen | 1. watch and direct More Definitions → |
| organist | 1. a person who plays an organ More Definitions → |
| overlord | 1. a person who has general authority over others More Definitions → |
| occupier | 1. someone who lives at a particular place for a prolonged period or who was born there 2. a member of a military force who is residing in a conquered foreign country More Definitions → |
| ottomans | 1. thick cushion used as a seat 2. a low seat or a stool to rest the feet of a seated person More Definitions → |
| overlaid | 1. put something on top of something else 2. kill by lying on More Definitions → |
| overseer | 1. a person who directs and manages an organization More Definitions → |
| oxymoron | 1. conjoining contradictory terms (as in `deafening silence') More Definitions → |
| operatic | 1. of or relating to or characteristic of opera More Definitions → |
| overpass | 1. bridge formed by the upper level of a crossing of two highways at different levels More Definitions → |
| overhang | 1. project over 2. be suspended over or hang over More Definitions → |
| oncoming | 1. the beginning or early stages 2. moving toward one More Definitions → |
| optician | 1. a worker who makes glasses for remedying defects of vision More Definitions → |
| obligate | 1. force somebody to do something 2. commit in order to fulfill an obligation More Definitions → |
| outwards | 1. toward the outside More Definitions → |
| objector | 1. a person who dissents from some established policy More Definitions → |
| outhouse | 1. a small outbuilding with a bench having holes through which a user can defecate More Definitions → |
| overpaid | 1. pay too much More Definitions → |
| overcoat | 1. a heavy coat worn over clothes in winter 2. an additional protective coating (as of paint or varnish) More Definitions → |
| oxytocin | 1. hormone secreted by the posterior pituitary gland (trade name Pitocin); stimulates contractions of the uterus and ejection of milk More Definitions → |
| offshoot | 1. a natural consequence of development More Definitions → |
| outgrown | 1. grow too large or too mature for 2. grow faster than More Definitions → |
| oleander | 1. an ornamental but poisonous flowering shrub having narrow evergreen leaves and clusters of fragrant white to pink or red flowers: native to East Indies but widely cultivated in warm regions More Definitions → |
| omelette | 1. beaten eggs or an egg mixture cooked until just set; may be folded around e.g. ham or cheese or jelly More Definitions → |
| operetta | 1. a short amusing opera More Definitions → |
| odorless | 1. having no odor More Definitions → |
| opulence | 1. wealth as evidenced by sumptuous living More Definitions → |
| overheat | 1. get excessively and undesirably hot 2. make excessively or undesirably hot More Definitions → |
| overplay | 1. exaggerate one's acting More Definitions → |
| overtook | 1. catch up with and possibly overtake 2. travel past More Definitions → |
| overrule | 1. rule against More Definitions → |
| overdone | 1. do something to an excessive degree 2. represented as greater than is true or reasonable More Definitions → |
| oratorio | 1. a musical composition for voices and orchestra based on a religious text More Definitions → |
| outmoded | 1. out of fashion More Definitions → |
| overleaf | 1. on or to the other side of a page More Definitions → |
| occluded | 1. closed off 2. (of a substance) taken into and retained in another substance More Definitions → |
| obliging | 1. showing a cheerful willingness to do favors for others More Definitions → |
| oxidizer | 1. a substance that oxidizes another substance More Definitions → |
| ontogeny | 1. (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level More Definitions → |
| offsides | 1. illegally beyond a prescribed line or area or ahead of the ball or puck More Definitions → |
| overtone | 1. (usually plural) an ulterior implicit meaning or quality 2. a harmonic with a frequency that is a multiple of the fundamental frequency More Definitions → |
| outsmart | 1. beat through cleverness and wit 2. defeat by more skillful maneuvering More Definitions → |
| overwork | 1. the act of working too much or too long 2. use too much More Definitions → |