Synonyms and Antonyms of slay
- millions have been slain worldwide by this dreadful disease
bump off, butcher, cut down, finish, get, ice [slang], knock off, murder, neutralize, off [slang], put away, rub out, scrag, snuff, take out, waste, whack [slang]
annihilate, blot out, decimate, kill off, massacre, mow, slaughter, smite
assassinate, execute, martyr, terminate
euthanize (also euthanatize), put down
do away with, do for [chiefly British], make away with
- vowed to slay without mercy whoever was responsible for murdering his family