go bad

Thesaurus

Verb	1.	go bad - stop operating or functioning; "The engine finally went"; "The car died on the road"; "The bus we travelled in broke down on the way to town"; "The coffee maker broke"; "The engine failed on the way to town"; "her eyesight went after the accident" conk out, die, fail, give out, give way, break down, break, go change - undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night" break - render inoperable or ineffective; "You broke the alarm clock when you took it apart!" croak, decease, die, drop dead, buy the farm, cash in one's chips, give-up the ghost, kick the bucket, pass away, perish, snuff it, pop off, expire, conk, exit, choke, go, pass - pass from physical life and lose all bodily attributes and functions necessary to sustain life; "She died from cancer"; "The children perished in the fire"; "The patient went peacefully"; "The old guy kicked the bucket at the age of 102" go down, crash - stop operating; "My computer crashed last night"; "The system goes down at least once a week" blow out, burn out, blow - melt, break, or become otherwise unusable; "The lightbulbs blew out"; "The fuse blew" misfire - fail to fire or detonate; "The guns misfired" malfunction, misfunction - fail to function or function improperly; "the coffee maker malfunctioned"
	2.	go bad - become unfit for consumption or use; "the meat must be eaten before it spoils" spoil addle - become rotten; "addled eggs" curdle - go bad or sour; "The milk curdled" decay - undergo decay or decomposition; "The body started to decay and needed to be cremated"