Synonyms: virulent
Definition: infectious; having the ability to cause disease
Similar words: highly infective
Definition: (of a microorganism) extremely infective
Usage: a highly infective organism
Similar words: deadly
Definition: (of a disease) having a rapid course and violent effect
Synonyms: sulfurous, sulphurous, caustic, blistering, bitter, acerb, acerbic, acid, acrid, virulent, vitriolic
Definition: harsh or corrosive in tone
Usage: an acerbic tone piercing otherwise flowery prose; a barrage of acid comments; her acrid remarks make her many enemies; bitter words; blistering criticism; caustic jokes about political assassination, talk-show hosts and medical ethics; a sulfurous denunciation; a vitriolic critique
Similar words: unpleasant
Definition: disagreeable to the senses, to the mind, or feelings
Usage: an unpleasant personality; unpleasant repercussions; unpleasant odors
Synonyms: deadly, venomous, virulent
Definition: extremely poisonous or injurious; producing venom
Usage: venomous snakes; a virulent insect bite
Similar words: toxic
Definition: of or relating to or caused by a toxin or poison
Usage: suffering from exposure to toxic substances