bid adieu

== English == === Verb === bid adieu (third-person singular simple present bids adieu, present participle bidding adieu, simple past bade adieu, past participle bidden adieu) (ambitransitive) To say goodbye (to), to bid farewell. ==== Usage notes ==== Also used with plural, as bid adieus or bid adieux, especially “bid one’s adieus” (say one’s goodbyes, share parting words).