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English definition of “up”

up

adverb (EQUAL)    /ʌp/
so as to be equal in quality , knowledge , or achievement : She couldn't go to school for a few weeks because of illness , but she'll be able to catch up (with her lessons ) quickly . So much scientific research is being performed that it's virtually impossible to keep up (with all the new developments ).US informal Kate and I were both playing well, and after ten minutes the score was 6 up (= 6 points each).Similar and the sameDescribing people with the same qualities Grammar:UpUp is an adverb, a preposition and an adjective.Grammar:Up as an adverbWe use up as an adverb to talk about movement towards a higher position, value, number or level:Grammar:Up as a prepositionWe use up to talk about a higher position or movement to a higher position:Grammar:Up as an adjectiveWe use up as an adjective usually to talk about increases in prices, levels or amounts:Grammar:Up to with numbersWe use up to with numbers and amounts when we are being approximate. It means ‘as much as’ or ‘not more than’:Grammar:Up as a particleUp is commonly used as a particle in phrasal verbs:
(Definition of up adverb (EQUAL) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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