abandon vb 1 evacuate, leave, quit, vacate, withdraw from. 2 break with, desert, inf dump, forsake, inf give someone the brush-off, jilt, leave behind, inf leave in the lurch, maroon, renounce, repudiate, strand, inf throw over, inf wash your hands of. 3 abandon a claim. abdicate, cancel, cede, s/ chuck in, discard, discontinue, disown, inf ditch, drop, finish, forfeit, forgo, give up, postpone, relinquish, resign, scrap, surrender, waive, yield.