resentful (adj.)

• acerb
• acerbic
• acid
• acidic
• acidulent
• acidulous
• acrimonious
• aggravated
• agitated
• angry
• annoyed
• antagonistic
• bitter
• bothered
• bugged
• burning
• catty
• caustic
• chafed
• choleric
• complaining
• crabby
• cranky
• disappointed
• discontented
• disgruntled
• displeased
• dissatisfied
• disturbed
• envious
• exasperated
• faultfinding
• fretful
• furious
• galled
• grouchy
• grumbling
• hostile
• incensed
• indignant
• irate
• irritated
• jealous
• malcontent
• miffed
• murmuring
• nagging
• nettled
• peeved
• peevish
• pettish
• petulant
• provoked
• querulous
• rancorous
• rebellious
• restive
• restless
• riled
• roiled
• ruffled
• shrewish
• sore
• spiteful
• splenetic
• sulky
• troubled
• unaccommodating
• uneasy
• unfulfilled
• ungratified
• unhappy
• unsatisfied
• upset
• vexed
• vindictive
• virulent
• vixenish
• whiny