au fait

[ oh fe ]
/ oʊ ˈfɛ /

adjective French.

having experience or practical knowledge of a thing; expert; versed.

Origin of au fait

literally, to the fact
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for au fait

au fait

/ French (o fɛ, English əʊ ˈfeɪ) /

adjective

fully informed; in touch or expert

Word Origin for au fait

C18: literally: to the point
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012