Vocabulary Starting with "O"
69 entries
- object A physical thing; a goal; to express disagreement
- objective A goal or aim; based on facts rather than feelings
- obligation A duty or requirement to do something; something you must do
- observation The act of watching carefully, or a remark based on what one has noticed
- observe To watch carefully; to notice; to follow rules or customs
- obvious Easy to see or understand; clear; evident
- obviously In a way that is easily seen or understood; clearly
- occasion A particular time or event; a special event; a reason
- occasionally Sometimes but not often; from time to time
- occupy To fill or take up space or time; to live in or use a place
- occur To happen or take place, especially unexpectedly
- ocean A very large area of sea; vast expanse of water
- odd Strange or unusual; not divisible by two
- of Expressing the relationship between a part and a whole; belonging to
- off Away from; not operating; from a place
- offense A crime; the act of causing upset; attacking play in sports
- offer To present something for someone to accept or reject
- office A place of business; a position of authority or responsibility
- officer A person holding a position of authority, especially in the military or police
- official Authorised or approved; a person holding public office
- often Frequently; many times; in many cases
- oil A thick liquid from plants, animals, or the ground used for cooking, fuel, or...
- okay Acceptable; satisfactory; used to express agreement
- old Having lived for many years; former; of a specified age
- on Physically touching and supported by a surface; happening at a particular time
- once One time only; as soon as; formerly
- one The number 1; a single person or thing; used to refer to people in general
- online Connected to or available through the internet or a computer network
- only Solely; no more than; single or unique
- onto Moving to a position on a surface; aware of something
- open Not closed or blocked; allowing access or passage
- opera A dramatic work combining music, singing, and sometimes dance
- operate To function or work; to control a machine; to perform surgery
- operation An organised activity, or a medical procedure
- operator A person who operates equipment or a machine
- opinion A personal view or judgement about something
- opponent A person who competes against or disagrees with another; a rival or adversary
- opportunity A favourable time or situation for doing something; a chance
- oppose To disagree with and try to prevent; to compete against
- opposite Completely different or contrary; facing directly
- opposition Resistance or disagreement; the main party against the government
- option A choice or alternative available in a situation
- or Used to link alternatives; otherwise
- orange A citrus fruit; a colour between red and yellow
- order An arrangement or sequence; a command; a request for goods
- ordinary Normal, usual, or not special in any way
- organic Produced without artificial chemicals; relating to living organisms
- organization A group of people working together for a purpose; the act of arranging things
- organize To arrange or plan systematically; to put things in order
- origin The beginning or source of something
- original First or earliest; not a copy; creative and new
- originally At first; in the beginning; from the start
- other Different from the one already mentioned; additional
- otherwise In a different way; or else; apart from that
- ought Used to indicate duty, correctness, or what is advisable
- ourselves The reflexive form of 'we'; used for emphasis or to refer back to the subject
- out Away from the inside; not at home; no longer burning or shining
- outcome The result or consequence of an action or situation
- outline A line showing the shape of something; a general description of the main points
- output The amount of something produced; information produced by a computer
- outside On or to the exterior; not within a place or group
- over Above; more than; finished; across
- overall Taking everything into account; general; a protective garment
- overcome To successfully deal with or defeat a problem or difficulty
- overseas In or to a foreign country across the sea
- owe To be in debt to someone; to have an obligation
- own Belonging to oneself; to possess; to acknowledge
- owner A person who possesses something
- ownership The state of legally possessing something