SAT word of the day – vitriolic

vitriolic – (adj) filled with bitter criticism or malice.

synonyms – acrimonious, rancorous, bitter, caustic, mordant, acerbic, astringent, acid, acrid, trenchant, virulent, spiteful, crabbed, savage, venomous, poisonous, malicious, malignant, malign, pernicious, splenetic