ill will, enmity, hostility - the feeling of a hostile person; "he could no longer contain his hostility"

heartburning - intense resentment; "his promotion caused much heartburning among his rivals"

huffishness, sulkiness - a feeling of sulky resentment

grievance, grudge, score - a resentment strong enough to justify retaliation; "holding a grudge"; "settling a score"

enviousness, envy, the green-eyed monster - a feeling of grudging admiration and desire to have something possessed by another

disagreeableness - an ill-tempered and offensive disposition

gustatory perception, gustatory sensation, taste, taste perception, taste sensation - the sensation that results when taste buds in the tongue and throat convey information about the chemical composition of a soluble stimulus; "the candy left him with a bad taste"; "the melon had a delicious taste"

taste property - a property appreciated via the sense of taste

acerbity - a sharp bitterness

acridness, acridity - extreme bitterness; "the acridity of alkali"