ə̇n, en+ transitive verb
( -ed/-ing/-s )
Etymology: Middle English envenimen, from Old French envenimer, from en- en- (I) + venim venom — more at venom
1. obsolete : to poison especially by a venomous bite
2.
a. : to taint or impregnate with venom or any substance harmful to life : make poisonous
thoroughly envenomed a whole pound of hamburger — Jean Stafford
b. : to infuse bitterness, malice, or hatred into : embitter
envenoming the relations between the two countries
a countenance envenomed with jealousy and rage