To commit or commend (one), by the expression of a wish, to (God, the devil, etc.). As a formula of leave-taking: To bid adieu or good-bye.

In to bid welcome, bid adieu, bid farewell, bid good bye, bid good morning, the original notion was probably that of ‘pray,’ ‘invoke,’ or ‘wish…

To commend or commit (a person) to God; to bid adieu to; to wish (good day) to: cf. beteach, v. 4. Obsolete. rare.

Hence, by confusion, to beteach one good day: to wish or bid one good day.

Esp. in to bid (also say) adieu (to). Frequently in extended use (see sense A. 2).

transitive. To take leave of, bid or say good-bye to; spec. Australian and New Zealand: to honour a departing or retiring person or persons at a…

(transitive) to give (a person) his lenvoy; to say farewell to him.

transitive. To say ‘adieu’ to; to take leave of. Also in extended use.

To enable (a person) to make speed in departing or travelling; to further the going or progress of; sometimes simply, to bid farewell to.

colloquial (originally and chiefly U.S.). to tell a person goodbye: to bid a person farewell. Similarly to tell a person hello, hi,etc.

transitive. To send (a person who is leaving) on his or her way with an utterance of ‘sayonara’. Usually with adverb or prepositional phrase as…