give up completely (a course of action, a practice, or a way of thinking).
he had clearly abandoned all pretense of trying to succeed
sinonim: renounce, relinquish, dispense with, disclaim, forgo, disown, disavow, discard, wash one’s hands of, give up, withdraw, drop, jettison, do away with, ax, ditch, dump, scrap, scrub, junk, deep-six, forswear, abjure; give up, stop, cease, drop, forgo, desist from, dispense with, have done with, abstain from, discontinue, break off, refrain from, set aside, cut out, kick, pack in, quit
cease to support or look after (someone); desert.
her natural mother had abandoned her at an early age
sinonim: desert, leave, leave high and dry, turn one’s back on, cast aside, break (up) with, jilt, strand, leave stranded, leave in the lurch, throw over, walk out on, run out on, dump, ditch, forsake