Words Starting With OP
Here's the list of all the 529 Words Starting With OP 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) | |
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open | 1. cause to open or to become open 2. start to operate or function or cause to start operating or functioning More Definitions → |
operating | 1. involved in a kind of operation 2. being in effect or operation More Definitions → |
operations | 1. financial transactions at a brokerage; having to do with the execution of trades and keeping customer records More Definitions → |
option | 1. the right to buy or sell property at an agreed price; the right is purchased and if it is not exercised by a stated date the money is forfeited 2. one of a number of things from which only one can be chosen More Definitions → |
opportunity | 1. a possibility due to a favorable combination of circumstances More Definitions → |
operation | 1. the state of being in effect or being operative 2. a business especially one run on a large scale More Definitions → |
opinion | 1. a personal belief or judgment that is not founded on proof or certainty 2. a message expressing a belief about something; the expression of a belief that is held with confidence but not substantiated by positive knowledge or proof More Definitions → |
optional | 1. possible but not necessary; left to personal choice More Definitions → |
opening | 1. an open or empty space in or between things 2. a ceremony accompanying the start of some enterprise More Definitions → |
optical | 1. of or relating to or involving light or optics 2. relating to or using sight More Definitions → |
operator | 1. (mathematics) a symbol or function representing a mathematical operation 2. an agent that operates some apparatus or machine More Definitions → |
opened | 1. made open or clear 2. not sealed or having been unsealed More Definitions → |
operate | 1. direct or control; projects, businesses, etc. 2. perform as expected when applied More Definitions → |
opera | 1. a drama set to music; consists of singing with orchestral accompaniment and an orchestral overture and interludes 2. a building where musical dramas are performed More Definitions → |
operational | 1. pertaining to a process or series of actions for achieving a result 2. (military) of or intended for or involved in military operations More Definitions → |
optimization | 1. the act of rendering optimal More Definitions → |
opposition | 1. the action of opposing something that you disapprove or disagree with 2. the relation between opposed entities 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 → |
opt | 1. select as an alternative over another More Definitions → |
optimal | 1. most desirable possible under a restriction expressed or implied More Definitions → |
opposed | 1. being in opposition or having an opponent More Definitions → |
optics | 1. the branch of physics that studies the physical properties of light 2. optical properties 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 → |
optimum | 1. most favorable conditions or greatest degree or amount possible under given circumstances 2. most desirable possible under a restriction expressed or implied More Definitions → |
operative | 1. a person secretly employed in espionage for a government 2. someone who can be employed as a detective to collect information and assist in criminal investigations More Definitions → |
optic | 1. of or relating to or resembling the eye 2. relating to or using sight More Definitions → |
oppose | 1. be against; express opposition to 2. fight against or resist strongly More Definitions → |
opposing | 1. characterized by active hostility More Definitions → |
opener | 1. the first event in a series 2. a person who unfastens or unwraps or opens More Definitions → |
openly | 1. in an open way More Definitions → |
optimistic | 1. expecting the best 2. expecting the best in this best of all possible worlds More Definitions → |
opal | 1. a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones More Definitions → |
optimisation | 1. the act of rendering optimal More Definitions → |
opaque | 1. not transmitting or reflecting light or radiant energy; impenetrable to sight 2. hard or impossible to understand More Definitions → |
optionally | 1. in an optional manner More Definitions → |
opus | 1. a musical work that has been created 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 → |
oppression | 1. the act of subjugating by cruelty 2. the state of being kept down by unjust use of force or authority: More Definitions → |
ophthalmology | 1. the branch of medicine concerned with the eye and its diseases 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 → |
opium | 1. an addictive narcotic extracted from seed capsules of the opium poppy More Definitions → |
oppressed | 1. burdened psychologically or mentally More Definitions → |
ophthalmic | 1. of or relating to ophthalmology 2. of or relating to or resembling the eye More Definitions → |
optima | 1. most favorable conditions or greatest degree or amount possible under given circumstances More Definitions → |
opacity | 1. the phenomenon of not permitting the passage of electromagnetic radiation 2. incomprehensibility resulting from obscurity of meaning More Definitions → |
optometry | 1. the practice of an optometrist More Definitions → |
opportunistic | 1. taking immediate advantage, often unethically, of any circumstance of possible benefit More Definitions → |
operand | 1. a quantity upon which a mathematical operation is performed More Definitions → |
oppressive | 1. weighing heavily on the senses or spirit 2. marked by unjust severity or arbitrary behavior 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 → |
optimist | 1. a person disposed to take a favorable view of things More Definitions → |
optically | 1. in an optical manner More Definitions → |
optimally | 1. in an optimal and most desirable way More Definitions → |
operable | 1. capable of being treated by surgical operation 2. fit or ready for use or service More Definitions → |
opiate | 1. a narcotic drug that contains opium or an opium derivative More Definitions → |
opinionated | 1. obstinate in your opinions More Definitions → |
operon | 1. a segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene More Definitions → |
operatic | 1. of or relating to or characteristic of opera More Definitions → |
optometrist | 1. a person skilled in testing for defects of vision in order to prescribe corrective glasses More Definitions → |
opulent | 1. ostentatiously rich and superior in quality More Definitions → |
operationally | 1. in respect to operation More Definitions → |
optician | 1. a worker who makes glasses for remedying defects of vision More Definitions → |
ophthalmologist | 1. a medical doctor specializing in the diagnosis and treatment of diseases of the eye More Definitions → |
operetta | 1. a short amusing opera More Definitions → |
opportune | 1. suitable or at a time that is suitable or advantageous especially for a particular purpose More Definitions → |
opulence | 1. wealth as evidenced by sumptuous living More Definitions → |
oppress | 1. come down on or keep down by unjust use of one's authority 2. cause to suffer More Definitions → |
opossum | 1. small furry Australian arboreal marsupials having long usually prehensile tails 2. nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America More Definitions → |
operatively | 1. in a manner to produce an effect More Definitions → |
opportunism | 1. taking advantage of opportunities without regard for the consequences for others More Definitions → |
opalescent | 1. having a play of lustrous rainbow colors More Definitions → |
opportunist | 1. a person who places expediency above principle 2. taking immediate advantage, often unethically, of any circumstance of possible benefit More Definitions → |
oppressor | 1. a person of authority who subjects others to undue pressures More Definitions → |
operant | 1. having influence or producing an effect More Definitions → |
opine | 1. express one's opinion openly and without fear or hesitation 2. expect, believe, or suppose More Definitions → |
Jump to Words by Length
2-Letter Words Starting With OP
3-Letter Words Starting With OP
4-Letter Words Starting With OP
5-Letter Words Starting With OP
6-Letter Words Starting With OP
7-Letter Words Starting With OP
8-Letter Words Starting With OP
19 more 8-Letter Words Starting With OP → |
9-Letter Words Starting With OP
29 more 9-Letter Words Starting With OP → |
10-Letter Words Starting With OP
21 more 10-Letter Words Starting With OP → |
11-Letter Words Starting With OP
32 more 11-Letter Words Starting With OP → |
12-Letter Words Starting With OP
28 more 12-Letter Words Starting With OP → |
13-Letter Words Starting With OP
7 more 13-Letter Words Starting With OP → |
14-Letter Words Starting With OP
3 more 14-Letter Words Starting With OP → |