virulent(adjective) infectious; having the ability to cause disease
(adjective satellite) harsh or corrosive in tone; "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
(adjective satellite) extremely poisonous or injurious; producing venom; "venomous snakes"; "a virulent insect bite"
Source:
WordNet 2.0 Copyright 2003 by Princeton University. All rights reserved.
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