Word Study
resentful
CIDE DICTIONARY
resentful, a.
Inclined to resent; easily provoked to anger; irritable. [1913 Webster]
OXFORD DICTIONARY
resentful, adj. feeling resentment.
Derivative
resentfully adv. resentfulness n.
THESAURUS
resentful
acerb, acerbate, acerbic, acid, acidic, acidulent, acidulous, acrimonious, aggravated, agitated, angry, annoyed, antagonistic, beefing, begrudging, bellyaching, bitching, bitter, bothered, browned-off, bugged, burning, burnt-up, catty, caustic, chafed, choleric, complaining, complaintful, crabbing, crabby, cranky, croaking, disappointed, discontented, disgruntled, displeased, dissatisfied, disturbed, embittered, envious, exasperated, faultfinding, fretful, furious, galled, griped, griping, grouchy, grousing, growling, grumbling, hostile, incensed, indignant, irate, irked, irritated, jealous, malcontent, malcontented, miffed, murmuring, muttering, nagging, naggy, nettled, out of humor, peeved, peevish, pettish, petulant, piqued, provoked, querulant, querulous, rancorous, rankled, rebellious, resenting, restive, restless, riled, roiled, ruffled, shrewish, sore, spiteful, splenetic, stewing, sulky, troubled, unaccepting, unaccommodating, uneasy, unfulfilled, ungratified, unhappy, unsatisfied, upset, vexed, vindictive, virulent, vixenish, vixenly, whiny, worked upROGET THESAURUS
resentful
Irascibility
N irascibility, irascibleness, temper, crossness, susceptibility, procacity, petulance, irritability, tartness, acerbity, protervity, pugnacity, excitability, bad temper, fiery temper, crooked temper, irritable, temper, genus irritabile, hot blood, ill humor, asperity, churlishness, huff, a word and a blow, Sir Fretful Plagiary, brabbler, Tartar, shrew, vixen, virago, termagant, dragon, scold, Xantippe, porcupine, spitfire, fire eater, fury, irascible, bad-tempered, ill-tempered, irritable, susceptible, excitable, thin-skinned, fretful, fidgety, on the fret, hasty, overhasty, quick, warm, hot, testy, touchy, techy, tetchy, like touchwood, like tinder, huffy, pettish, petulant, waspish, snappish, peppery, fiery, passionate, choleric, shrewish, sudden and quick in quarrel, querulous, captious, moodish, quarrelsome, contentious, disputatious, pugnacious, cantankerous, exceptious, restiff, churlish, cross, cross as crabs, cross as two sticks, cross as a cat, cross as a dog, cross as the tongs, fractious, peevish, acari=atre, in a bad temper, sulky, angry, resentful, resentive, vindictive, Int, pish!, a vieux comptes nouvelles disputes, quamvis tegatur proditur vultu furor, vino tortus et ira.For further exploring for "resentful" in Webster Dictionary Online