English English
CEFR LEVEL
3335 entries have no recorded CEFR level and are included in All.
open up
phrasal verb C1To create new opportunities, or to speak freely and candidly; to speak freely or openly about one's feelings; to make available or accessible
↗Open up opportunities
phraseto create, reveal, or make accessible new possibilities and favorable career prospects
↗Open up the floor
phraseto invite questions, comments, or discussion from the audience
↗Open up to
phrasal verbto speak honestly and share one's private feelings, worries, or thoughts with someone
↗open-minded
phrasereceptive to new ideas, opinions, arguments, or unfamiliar cultural customs without prejudice
↗openly
word B2without concealment, deception, or hesitation; frankly and publicly
↗opera
word A1a play with music where most words are sung a dramatic performance in which the actors sing most of their lines
↗operate
word A2to use or control a machine, business, or system to function; to control or manage; to perform surgery to control the functioning of a machine, system, or business
↗operation
word B1a planned activity or process; also a medical surgery an act or process of functioning or operating; an act or process of functioning or operating
↗operator
word B2a person who operates a machine, or a company running a service a person who operates equipment, a business, or controls something; a person who operates equipment, a business, or controls something
↗opinion
word A2what someone thinks or believes about something a view or judgment formed about something; a belief or assessment based on grounds short of proof A belief, judgment, or viewpoint about something, not necessarily based on fact.; A view or judgment formed about something, not necessarily based on fact or knowledge.; a view or judgment formed about something; a belief or assessment based on grounds short of proof A belief, judgment, or viewpoint about something, not necessarily based on fact.
↗opponent
word B2someone who competes against or opposes another in a contest, game, or argument; a person who disagrees with or resists a proposal or practice; someone who competes against another A person who competes against or disagrees with another.
↗opportunities
word B1Circumstances that make it possible to do something; chances for advancement or success.
↗opportunity
word A2a good chance to do something useful or important A favorable chance or set of circumstances that makes it possible to do something.; A favorable chance or set of circumstances that makes it possible to do something.
↗oppose
word A2to disagree with something and try to stop or resist it to disagree with or resist; to act against to disagree with or fight against something; to disagree with or resist; to act against to disagree with or fight against something
↗opposite
word A2completely different; on the other side facing something Contrary; completely different; facing each other; reverse; Completely different; on the other side or facing something.
↗opposition
word B1disagreement or resistance; the group or party that disagrees with those in power the action of opposing or resisting something
↗opt for
phrasal verbTo choose or decide on a particular option from among alternatives
↗Opt out
phrasal verbTo choose not to participate in something or decide against an option
↗optimal
word B2Best or most favorable; optimum.
↗optimism
word B2hopefulness and confidence about the future or the successful outcome of something
↗optimization
word C1The action of making the best or most effective use of a situation or resource.
↗optimize
word C1To make the best or most effective use of a situation, opportunity, or resource.
↗optimized
word C1Made as effective, functional, or efficient as possible.
↗optimum
word C1Most favorable, advantageous, or conducive to a desired outcome; best.
↗option
word B1one thing that you can choose from two or more possibilities a thing that is or may be chosen; an alternative course of action A choice or possibility available among alternatives.; A thing that is or may be chosen; an alternative course of action.; a thing that is or may be chosen; an alternative course of action A choice or possibility available among alternatives.
↗or not
phrase A1used to present an alternative or ask whether something will happen or not
↗orange
word A1a round citrus fruit; the color between red and yellow having a color between red and yellow like that of a ripe orange fruit a round citrus fruit with orange skin and juicy flesh a fruit that is typically round and orange in color; having a color between red and yellow like that of a ripe orange fruit a round citrus fruit with orange skin and juicy flesh a fruit that is typically round and orange in color
↗orator
word B2a person who gives speeches in public; a skilled public speaker
↗oratory
word C1The art or practice of formal public speaking, especially in an eloquent and persuasive manner.
↗orchestrate
word C1To plan, arrange, or coordinate the elements of a situation to achieve a desired result, often secretly.
↗ordeal
word C1a very painful, severe, or difficult experience
↗order
word A1a request to buy something; an instruction; a correct arrangement a command or instruction; the arrangement of things following a particular sequence to give a command; to request something to be made or supplied an arrangement or command; a request for something to be made, done, or delivered; An authoritative command or instruction given by someone in power.; a command or instruction; the arrangement of things following a particular sequence to give a command; to request something to be made or supplied an arrangement or command; a request for something to be made, done, or delivered
↗ordinary
word B1normal, usual, and not special normal; usual; not special Common, usual, or not special; something that happens regularly.
↗organ
word B1a distinct part of an organism that performs a specific vital function; also a large musical instrument a part of the body that performs a specific function
↗organic
word B1produced or involving production without the use of chemical fertilizers, pesticides, or other artificial agents; Produced or involving production without the use of chemical fertilizers, pesticides, or other artificial agents. Relating to or derived from living matter; produced without artificial chemicals.
↗organic farming
word B2An agricultural system that uses fertilizers of organic origin and biological pest control rather than synthetic chemicals.
↗organic foods
word B1Food produced without synthetic chemicals, artificial fertilizers, or genetically modified organisms.
↗organization
word B1An organized group of people with a particular purpose, such as a business, government department, or charity.
↗organizations
word B1Organized bodies of people with a particular purpose, such as businesses, charities, or institutions.
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