Nouns Starting With OP
Here's the list of all the 338 Nouns 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 Nouns (with Definitions and Examples) | |
|---|---|
| open | 1. a clear or unobstructed space or expanse of land or water 2. where the air is unconfined 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 | More Definitions → |
| opening | 1. an open or empty space in or between things 2. a ceremony accompanying the start of some enterprise More Definitions → |
| operator | 1. (mathematics) a symbol or function representing a mathematical operation 2. an agent that operates some apparatus or machine 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 → |
| 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 → |
| 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 → |
| optimum | 1. most favorable conditions or greatest degree or amount possible under given circumstances 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. the organ of sight More Definitions → |
| opener | 1. the first event in a series 2. a person who unfastens or unwraps or opens 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 | 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 → |
| 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 → |
| operand | 1. a quantity upon which a mathematical operation is performed More Definitions → |
| optimise | More Definitions → |
| optimist | 1. a person disposed to take a favorable view of things More Definitions → |
| opiate | 1. a narcotic drug that contains opium or an opium derivative 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 | More Definitions → |
| optometrist | 1. a person skilled in testing for defects of vision in order to prescribe corrective glasses More Definitions → |
| opulent | 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 → |
| opulence | 1. wealth as evidenced by sumptuous living 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 → |
| opportunism | 1. taking advantage of opportunities without regard for the consequences for others More Definitions → |
| opportunist | 1. a person who places expediency above principle More Definitions → |
| oppressor | 1. a person of authority who subjects others to undue pressures More Definitions → |
| operant | More Definitions → |
Jump to Nouns by Length
2-Letter Nouns Starting With OP
3-Letter Nouns Starting With OP
4-Letter Nouns Starting With OP
5-Letter Nouns Starting With OP
6-Letter Nouns Starting With OP
7-Letter Nouns Starting With OP
8-Letter Nouns Starting With OP
9-Letter Nouns Starting With OP
10-Letter Nouns Starting With OP
11-Letter Nouns Starting With OP
| 16 more 11-Letter Nouns Starting With OP → | |
12-Letter Nouns Starting With OP
| 6 more 12-Letter Nouns Starting With OP → | |