bitterness Play nounSharpness of taste; lack of sweetness. SYNONYMS acerbityacidityacridityacrimonyagonyangeranimusantagonismantipathyawfulnessbad bloodbilebitebitter coldchillchillinesscholerchurlishnessdesolationdespairdesperationdetestationdisagreeablenessdiscontentdisgruntlementdissatisfactiondistressembitterednessenmityferocityfrictionfrostinessgriefgrudgeharshnesshatehatredheartacheheartbreakhostilityicinessill feelingill willindignationintense coldintensitykeennessloathingmalevolencemalignitymiserymorosenessnastinessnippainpainfulnessparkinesspeevishnesspenetrationpetulancepiquepoignancypoisonpungencyrancourrawnessresentfulnessresentmentsadnesssavagerysharpnesssorrowsournessspitespitefulnessspleenstingsullennesstartnesstragedytraumaunhappinessunpleasantnessupsetvenomviciousnessvindictivenessvinegarinessvirulencevitriolwintrinesswretchedness