English English
CEFR LEVEL
3335 entries have no recorded CEFR level and are included in All.
oasis
word B2a fertile or green spot in a desert, where water is found; a pleasant place of refuge or relief; a fertile spot in a desert where water is found; a pleasant refuge a fertile area in a desert where water is found; a peaceful or pleasant place a fertile spot in a desert where water is found; a pleasant relief
↗oath
word B2a solemn promise or formal declaration, often invoking a deity or moral code
↗obey
word B2to comply with an order, request, or law submitted by an authority
↗obligation
word B2an act or course of action to which a person is morally or legally bound; a duty or commitment
↗observations
word B2Remarks, data, or notes based on watching, monitoring, or measuring something carefully.
↗observed
word B2Celebrated, marked, or followed a festival, holiday, or customary practice.
↗observer
word B2a person who watches or notices something, especially professionally a person who watches or notices something
↗odd
word B2strange or unusual; not even as a number strange; unusual; different from what is normal or expected different from what is usual or expected; strange or peculiar
↗offend
word B2to cause someone to feel hurt, angry, or upset by something said or done
↗offender
word B2a person who commits an illegal act or breaks a specific rule
↗olive
word B2a small oval fruit with a hard pit and bitter flesh, widely cultivated for food and oil
↗on trial
phrase B2being tried in a court of law, or undergoing a test period; Being tested or sampled before a final decision or formal purchase is made
↗opaque
word B2Not able to be seen through; not transparent, or hard to understand.
↗openly
word B2without concealment, deception, or hesitation; frankly and publicly
↗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
↗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.
↗optimal
word B2Best or most favorable; optimum.
↗optimism
word B2hopefulness and confidence about the future or the successful outcome of something
↗orator
word B2a person who gives speeches in public; a skilled public speaker
↗organic farming
word B2An agricultural system that uses fertilizers of organic origin and biological pest control rather than synthetic chemicals.
↗originally
word B2at first; from the beginning, before any changes in the beginning, at first
↗orphanage
word B2a residential institution for the care and education of orphans
↗out of stock
phrase B2not currently available for sale or delivery; temporarily unavailable for immediate sale or purchase
↗outbreak
word B2a sudden occurrence of something unwelcome, such as war or disease a sudden start or occurrence of something unpleasant, like disease or violence; a sudden occurrence or eruption of something unwelcome, especially disease or violence
↗outcome
word B2the way a thing turns out; a consequence or result of an action, process, or situation
↗outlet
word B2a shop selling goods; a means of expressing strong feelings; a power point a means by which something is released, expressed, or distributed
↗output
word B2the amount of something produced by a person, machine, or industry; or information generated by a computer; The amount of something produced by a person, machine, or industry. the amount of something produced by a person, machine, or system
↗Outright
word B2completely; directly; without reservation or delay
↗outsider
word B2a person who does not belong to a particular group, organization, or place a person who is not accepted as a member of a particular group or community; a person who does not belong to a particular group, community, or organization
↗outsourcing
word B2the practice of obtaining goods or services from an outside or foreign supplier, especially in place of an internal source
↗overhead
word B2Ongoing business expenses not directly attributable to creating a product or service, such as rent and utilities.
↗overlook
word B2to fail to notice, consider, or see something; to fail to notice something; to ignore intentionally; to look down upon from above to fail to notice or consider something; to have a view from above to fail to notice or consider; to ignore; to have a view over something from above to fail to notice something; to have a view from above
↗overtake
word B2To catch up with and pass while traveling in the same direction.
↗owl
word B2a nocturnal bird of prey with large eyes, a facial disk, and silent flight
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