say it: vi-tree-AH-lik
vitriolic is an adjective meaning "harsh or corrosive in tone". It carries 2 recorded senses.
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 and medical ethics”
“a sulfurous denunciation”
“a vitriolic critique”
of a substance, especially a strong acid; capable of destroying or eating away by chemical action
Definitions, synonyms and semantic relations for vitriolic come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.