Definition of au fait in English:

au fait

Line breaks: au fait
Pronunciation: /əʊ ˈfeɪ
 
, o fɛ(t)/

adjective

(au fait with)
  • Having a good or detailed knowledge of: you should be au fait with the company and its products
    More example sentences
    • Engineers in all sectors of industry must be completely au fait with the state of the art.
    • For those of you not quite au fait with Surrealist parlour games, the term ‘exquisite corpse’ originates from the game more commonly known as Consequences.
    Synonyms
    familiar, acquainted, conversant, at home, up to date, up with, in touch; abreast of, apprised of, in the know about, well informed about, knowledgeable about, well versed in, enlightened about, aware of, no stranger to; French au courant
    informal clued up about, genned up about, clued up on, plugged into, well up on, wise to, hip to
    British informal switched on to
    black English down

Origin

mid 18th century: from French, literally 'to the fact, to the point'.

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