Open English Wordnet
Verbs
(v)snuff out, blow out, extinguish, quenchput out, as of fires, flames, or lights“Too big to be extinguished at once, the forest fires at best could be contained”, “quench the flames”, “snuff out the candles”
(v)extinguish, eliminate, get rid of, do away withterminate, end, or take out“Let's eliminate the course on Akkadian hieroglyphics”, “Socialism extinguished these archaic customs”, “eliminate my debts”
(v)eliminate, annihilate, extinguish, eradicate, wipe out, decimate, carry offkill in large numbers“the plague wiped out an entire population”