adj. 25B6; adjective
a venomous snake 007C; the spider's venomous bite : POISONOUS, toxic; dangerous, deadly, lethal, fatal, mortal.
venomous remarks : VICIOUS, spiteful, rancorous, malevolent, vitriolic, vindictive, malicious, poisonous, virulent, bitter, acrimonious, antagonistic, hostile, cruel; informal bitchy, catty; poetic/literary malefic, maleficent.
harmless, benevolent.