break down Synonyms

fail collapse decompose break crumble dissect take apart deteriorate decay snap die fall apart crumple go bad analyze malfunction give out give way disintegrate conk out go over go wrong misfire break apart backfire crack up sort out understand weaken wither give up take down go off act up lose it work out unbundle shut down run aground go to pieces fall flat fall through be in vain not come up to scratch lack success meet with disaster not succeed suffer defeat separate into parts cease functioning