adj. not feeling or showing gratitude; "ungrateful heirs"; "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare

adj. disagreeable; "I will not perform the ungrateful task of comparing cases of failure"- Abraham Lincoln

adj. unpleasant or disgusting especially to the senses; "offensive odors"

adj. not pleasing in odor or taste

adj. highly offensive; arousing aversion or disgust; "a disgusting smell"; "distasteful language"; "a loathsome disease"; "the idea of eating meat is repellent to me"; "revolting food"; "a wicked stench"

adj. not desirable; "undesirable impurities in steel"; "legislation excluding undesirable aliens"

adj. not pleasant or agreeable "unpalatable truths"; "unpalatable behavior"

adj. "unwelcome interruptions"

adj. not acceptable; not welcome; "a word unacceptable in polite society"; "an unacceptable violation of personal freedom"

adj. unpleasant to look at; "unsightly billboards"

adj. disagreeable to the sense

adj. lacking beauty or charm; "as unattractive as most mining regions"

adj. offensive to the mind; "an abhorrent deed"; "the obscene massacre at Wounded Knee"; "morally repugnant customs"; "repulsive behavior"; "the most repulsive character in recent novels"

adj. neither attractive nor tempting

adj. 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"

adj. harsh; "sharp criticism"; "a sharp-worded exchange"; "a tart remark"

adj. harshly uninviting or formidable in manner or appearance; "a dour, self-sacrificing life"; "a forbidding scowl"; "a grim man loving duty more than humanity"; "undoubtedly the grimmest part of him was his iron claw"- J.M.Barrie

adj. very unpleasant

adj. causing to feel shame or chagrin or vexation; "the embarrassing moment when she found her petticoat down around her ankles"; "it was mortifying to know he had heard every word"

adj. very unpleasant; "hellish weather"; "stop that god-awful racket"

adj. causing misery or pain or distress; "it was a sore trial to him"; "the painful process of growing up"

adj. serving or tending to repel; "he became rebarbative and prickly and spiteful"; "I find his obsequiousness repellent"

adj. causing discomfort; "the unhappy truth"

adj. without beauty or charm

adj. feeling or showing gratitude; "a grateful heart"; "grateful for the tree's shade"; "a thankful smile"

adj. feeling or expressive of gratitude; "was appreciative of his efforts"; "an appreciative word"

adj. affording pleasure; being in harmony with your taste or likings; "a pleasant person to be around"; "we had a pleasant evening together"; "a pleasant scene"; "pleasant sensations"

adj. capable of pleasing; "good looks"

adj. disposed to please; "an amiable villain with a cocky sidelong grin"- Hal Hinson