What is the Latin word for poisonous?

The usual Latin words for “poisonous” are venēnō, īnficiō, tingō; also acerbus. The right choice depends on the sense; see the distinctions below.

English → Latin

“poisonous” in Latin

venēnōto poison, imbue or infect with poison; to injure by slander; to color; dye īnficiōto dip, to dunk, to submerge; to color, to dye, to imbue, to stain, to tinge; to corrupt, to poison, to spoil, to taint,tingōto wet, moisten, dip (in), impregnate (with); to smear; to dip, immerse; to give to drink, treat; to colour, dye, tinge acerbusharsh, bitter, unripe, sour, premature, not yet marriageable; sharp, severe, bitter (i.e., extremely painful); rough, vi

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

poisonous

PROP., venenatus (general term); veneno imbutus, infectus, or tinctus (dipped in poison): veneno illitus (besmeared or covered with poison). Figuratively, acerbus (bitter). To be poisoned, acerba esse natura.

Quick answer

What is the Latin word for poisonous?: The usual Latin words for “poisonous” are venēnō, īnficiō, tingō; also acerbus. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.