Meaning of “ace” in the English Dictionary

"ace" in British English

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acenoun [ C ]

uk /eɪs/ us /eɪs/

aceverb [ T ]

uk /eɪs/ us /eɪs/ US informal

aceadjective

uk /eɪs/ us /eɪs/ old-fashioned slang

(Definition of “ace” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"ace" in American English

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acenoun [ C ]

us /eɪs/

ace noun [ C ] (PLAYING CARD)

one of the four playing cards with a single mark or spot, which have the highest or lowest value in many card games

ace noun [ C ] (TENNIS)

a serve (= hit of the ball that starts play) in tennis that is so strong and fast the other player cannot return the ball

ace noun [ C ] (SKILLED PERSON)

infml a person who is unusually good at doing something skillful:

Yankee ace Chien-Ming Wang will pitch tonight’s game.

(Definition of “ace” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"ACE" in Business English

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ACEnoun

SOCIAL RESPONSIBILITY

abbreviation for Active Corps of Executives: an organization in the US that consists of working executives who give free help and advice to small businesses

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(Definition of “ACE” from the Cambridge Business English Dictionary © Cambridge University Press)