English English
CEFR LEVEL
3335 entries have no recorded CEFR level and are included in All.
understory
word C2A layer of vegetation beneath the main canopy of a forest, consisting of shrubs and small trees.
↗undertake
word B2to commit oneself to and begin an enterprise, task, or responsibility, especially something difficult or important
↗underwater
word A2situated, occurring, or operating beneath the surface of the water
↗underwear
word B2Clothing worn under outer garments, typically next to the skin.
↗uneasy
word A2feeling anxious, uncomfortable, or apprehensive worried; anxious; uncomfortable; restless
↗unemployed
word B1without a paid job but available to work without a job; not having paid work
↗unemployment
word B1the state of not having a paid job, especially when actively seeking work
↗unexpected
word B1not thought of as likely to happen; surprising not expected or anticipated; surprising not anticipated or predicted; surprising
↗unfair
word A2not fair, just, or equal not right or just; treating people in a way that favors some over others not based on or behaving according to the principles of equality or justice; not right or just; treating people in a way that favors some over others not based on or behaving according to the principles of equality or justice
↗unfeigned
word C2genuine; sincere and not pretended
↗unforgettable
word A2impossible to forget; highly memorable
↗unfortunately
word A2used to say that something is sad, unlucky, or disappointing used to express regret or disappointment about something used to express regret or disappointment about something that has happened or is going to happen
↗unhappy
word A2not happy; sad, displeased, or sorrowful not happy; feeling sad or displeased; unfortunate or undesirable not happy; sad, disappointed, or dissatisfied
↗unhealthy
word A2harmful to health or not having good physical well-being harmful to health; not in good health; detrimental to well-being
↗unified
word B2Formed or combined into a single, cohesive whole.
↗uniform
word A2special clothes worn by members of a group; also the same everywhere consistent; identical; standardized consistent or the same in form, manner, or degree; consistent; identical; standardized consistent or the same in form, manner, or degree
↗unimportant
word A2not significant, necessary, or possessing little importance not having much value, significance, or influence
↗uninhabitable
word C1Not suitable or safe for people or animals to live in.
↗union
word B1an organized association of workers formed to protect and further their rights and interests; also the state of being joined
↗unique
word B1being the only one of its kind; special and different being the only one of its kind; unlike anything else Being the only one of its kind; unlike anything else.; being the only one of its kind; unlike anything else Being the only one of its kind; unlike anything else.
↗unit
word A2one part of a course, book, system, or measurement an individual thing or person regarded as a single and complete entity
↗unite
word B1to come or bring together for a common purpose or action
↗unity
word B2the state of being united or joined as a whole; harmony and agreement; The state of being united or joined as a whole. the state of being united or joined as a whole; harmony the state of being joined together or in agreement
↗universal
word B2true for everyone or everywhere; available to all applicable to all cases; existing everywhere Relating to or done by all people or things in the world; applicable everywhere or in all cases.; applicable to all cases; existing everywhere Relating to or done by all people or things in the world; applicable everywhere or in all cases.
↗universe
word B1all existing matter and space considered as a whole; the cosmos; all existing matter and space; the cosmos the totality of known or supposed objects and phenomena throughout space; the cosmos
↗university
word A2a place of higher education where people study for degrees an institution of higher education and research, which grants academic degrees; an institution of higher education and research, which grants academic degrees
↗unknown
word A2not known or not identified not known or identified; unfamiliar not known or familiar; not known or identified; unfamiliar not known or familiar
↗unless
word B1except if; used to say that something will happen only if another thing does not happen except if; except if
↗unlike
word A2different from someone or something different from; not similar to differing from or not similar to
↗unlikely
word B1not expected to happen; not probable not likely to happen; improbable not likely to happen or be true
↗unmatched
word C1Having no equal; peerless or incomparable.
↗unnecessary
word A2not needed; more than is necessary not needed; not required; pointless not needed or required
↗Unpack suitcases
phraseto take out clothes and belongings from travel bags upon returning from a journey
↗Unparalleled
word C1Having no equal; exceptional and unmatched in quality, degree, or achievement.
↗unperturbed
word C1Not anxious, agitated, or concerned; remaining calm and composed.
↗unplanned
word B1Not planned or arranged in advance; happening spontaneously without preparation.
↗unpleasant
word A2not pleasant, attractive, or enjoyable; disagreeable not giving or causing pleasure; disagreeable
↗Unplug from
phrasal verbto disconnect mentally or physically from electronic devices, social media, or work responsibilities
↗unprecedented
word B2Never done or known before; without previous example.
↗unpredictability
word C1The quality or state of being impossible to foresee, anticipate, or predict.
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