10-Letter Words Starting With O
Here's the list of all the 1291 10-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) | |
|---|---|
| operations | 1. financial transactions at a brokerage; having to do with the execution of trades and keeping customer records More Definitions → |
| originally | 1. in an manner suggesting originality 2. with reference to the origin or beginning More Definitions → |
| occupation | 1. the principal activity in your life that you do to earn money 2. the control of a country by military forces of a foreign power More Definitions → |
| obligation | 1. the social force that binds you to the courses of action demanded by that force 2. the state of being obligated to do or pay something More Definitions → |
| opposition | 1. the action of opposing something that you disapprove or disagree with 2. the relation between opposed entities More Definitions → |
| officially | 1. in an official role 2. with official authorization More Definitions → |
| occasional | 1. occurring from time to time 2. occurring or appearing at usually irregular intervals More Definitions → |
| occurrence | 1. an event that happens 2. an instance of something occurring More Definitions → |
| outpatient | 1. a patient who does not reside in the hospital where he is being treated More Definitions → |
| optimistic | 1. expecting the best 2. expecting the best in this best of all possible worlds More Definitions → |
| overweight | 1. the property of excessive fatness 2. usually describes a large person who is fat but has a large frame to carry it More Definitions → |
| ordination | 1. the status of being ordained to a sacred office 2. logical or comprehensible arrangement of separate elements More Definitions → |
| overlooked | 1. not taken into account More Definitions → |
| outrageous | 1. grossly offensive to decency or morality; causing horror 2. greatly exceeding bounds of reason or moderation More Definitions → |
| optionally | 1. in an optional manner More Definitions → |
| oppression | 1. the act of subjugating by cruelty 2. the state of being kept down by unjust use of force or authority: More Definitions → |
| orthopedic | 1. of or relating to orthopedics More Definitions → |
| obstetrics | 1. the branch of medicine dealing with childbirth and care of the mother More Definitions → |
| ornamental | 1. any plant grown for its beauty or ornamental value 2. serving an esthetic rather than a useful purpose More Definitions → |
| originator | 1. someone who creates new things More Definitions → |
| orchestral | 1. relating to or composed for an orchestra More Definitions → |
| oceanfront | 1. land bordering an ocean More Definitions → |
| oscillator | 1. generator that produces sonic oscillations or alternating current More Definitions → |
| ordinarily | 1. under normal conditions More Definitions → |
| orthogonal | 1. not pertinent to the matter under consideration 2. statistically unrelated More Definitions → |
| obligatory | 1. morally or legally constraining or binding 2. required by obligation or compulsion or convention More Definitions → |
| observable | 1. capable of being seen or noticed More Definitions → |
| observance | 1. the act of observing; taking a patient look 2. a formal event performed on a special occasion More Definitions → |
| ophthalmic | 1. of or relating to ophthalmology 2. of or relating to or resembling the eye More Definitions → |
| overriding | 1. having superior power and influence More Definitions → |
| occidental | 1. denoting or characteristic of countries of Europe and the western hemisphere More Definitions → |
| overloaded | 1. loaded past capacity More Definitions → |
| overturned | 1. having been turned so that the bottom is no longer the bottom More Definitions → |
| oppressive | 1. weighing heavily on the senses or spirit 2. marked by unjust severity or arbitrary behavior More Definitions → |
| orientated | 1. adjusted or located in relation to surroundings or circumstances; sometimes used in combination More Definitions → |
| outperform | 1. be or do something to a greater degree More Definitions → |
| ostensibly | 1. from appearances alone More Definitions → |
| overridden | 1. rule against 2. prevail over More Definitions → |
| overpriced | 1. too costly for the value More Definitions → |
| obtainable | 1. capable of being obtained More Definitions → |
| offsetting | 1. compensate for or counterbalance 2. make up for More Definitions → |
| oftentimes | 1. many times at short intervals More Definitions → |
| obstructed | 1. shut off to passage or view or hindered from action More Definitions → |
| overstated | 1. represented as greater than is true or reasonable More Definitions → |
| outlandish | 1. conspicuously or grossly unconventional or unusual More Definitions → |
| outfielder | 1. (baseball) a person who plays in the outfield 2. a fielder in cricket who is stationed in the outfield More Definitions → |
| omnipotent | 1. having unlimited power More Definitions → |
| osteopathy | 1. therapy based on the assumption that restoring health is best accomplished by manipulating the skeleton and muscles More Definitions → |
| overlapped | 1. coincide partially or wholly 2. extend over and cover a part of More Definitions → |
| oncologist | 1. a specialist in oncology More Definitions → |
| outpouring | 1. a natural flow of ground water 2. a sudden rapid flow (as of water) More Definitions → |
| overthrown | 1. cause the downfall of; of rulers 2. rule against More Definitions → |
| outstation | 1. a station in a remote or sparsely populated location More Definitions → |
| overtaking | 1. going by something that is moving in order to get in front of it More Definitions → |
| outfitting | 1. the act of renovating and fitting out a ship 2. provide with (something) usually for a specific purpose More Definitions → |
| outputting | 1. to create or manufacture a specific amount More Definitions → |
| overburden | 1. burden with too much work or responsibility 2. load with excessive weight More Definitions → |
| overactive | 1. more active than normal More Definitions → |
| omniscient | 1. infinitely wise More Definitions → |
| overeating | 1. eating to excess (personified as one of the deadly sins) More Definitions → |
| overheated | 1. heated beyond a safe or desirable point More Definitions → |
| overshadow | 1. be greater in significance than 2. make appear small by comparison More Definitions → |
| otherworld | 1. an abstract spiritual world beyond earthly reality More Definitions → |
| obediently | 1. in an obedient manner More Definitions → |
| obliterate | 1. reduced to nothingness 2. mark for deletion, rub off, or erase More Definitions → |
| organismal | 1. of or relating to or belonging to an organism (considered as a whole) More Definitions → |
| overgrowth | 1. excessive size; usually caused by excessive secretion of growth hormone from the pituitary gland 2. a profusion of growth on or over something else More Definitions → |
| opalescent | 1. having a play of lustrous rainbow colors More Definitions → |
| overcharge | 1. rip off; ask an unreasonable price 2. place too much a load on More Definitions → |
| ostensible | 1. appearing as such but not necessarily so 2. represented or appearing as such; pretended More Definitions → |
| oesophagus | 1. the passage between the pharynx and the stomach More Definitions → |
| oversupply | 1. the quality of being so overabundant that prices fall 2. supply with an excess of More Definitions → |