| Rancorous (a.) Full of rancor; evincing, or caused by, rancor; deeply malignant; implacably spiteful or malicious; intensely virulent. Thesaurus Entries acerb, acerbate, acerbic, acid, acidic, acidulent, acidulous, acrid, acrimonious, antagonistic, antipathetic, avenging, belligerent, bitter, burning, caustic, choleric, clashing, colliding, conflicting, despiteful, embittered, envenomed, evil, full of hate, grudgeful, hateful, hostile, implacable, irreconcilable, malevolent, malicious, malign, malignant, punitive, punitory, quarrelsome, rankled, repugnant, resentful, resenting, retaliatory, revanchist, revengeful, set against, sore, spiteful, splenetic, stewing, unappeasable, venenate, vengeful, venomous, vicious, vindicatory, vindictive, virulent, vitriolic, wicked |