Synonyms of venomous in English:

venomous


See US English definition of venomous

See UK English definition of venomous

See Spanish definition of venenoso

adjective

1‘black mambas are among the most venomous snakes in the world’

SYNONYMS
poisonous, toxic, noxious, dangerous, harmful
deadly, lethal, death-dealing, life-threatening, fatal, mortal, terminal, killing
literary deathly, nocuous, mephitic
archaic baneful
ANTONYMS

harmless, innocuous

2‘the porter threw a venomous look at Ralf’

SYNONYMS
vicious, spiteful
rancorous, malevolent, vitriolic, vindictive, malicious, malignant, malign, poisonous, baleful, bitter, acrimonious, resentful, grudging, virulent, pernicious, antagonistic, hostile, hate-filled, menacing, nasty, evil, evil-intentioned, unfriendly, cruel, unkind, unpleasant
acerbic, sharp, acid, tart, caustic, astringent, cutting, biting, razor-edged, waspish, wounding, barbed
informal bitchy, catty
literary malefic, maleficent
ANTONYMS

friendly, benevolent, kind