I. verb
( -ed/-ing/-s )
Etymology: Middle English avaunten, from Middle French avanter, from a- (from Latin ad- ) + vanter to boast — more at vaunt
obsolete : boast , vaunt
II. adverb
Etymology: Middle English, from Middle French avant, from Latin abante forward, before, from ab from, away + ante before — more at of , ante-
archaic : hence 1
walks thrice round them, bidding malicious spirits avaunt — J.G.Frazer
avaunt thou very idiot — T.B.Costain
III. noun
( -s )
obsolete : an order to be gone
the devil tempted him but he gave him the avaunt — William Barlow