discontented (adj.)

• acid
• angry
• annoyed
• caustic
• cheerless
• complaining
• corrosive
• crabby
• cranky
• disappointed
• disapproving
• discontent
• disenchanted
• disgruntled
• disillusioned
• displeased
• dissatisfied
• dissenting
• envious
• exasperated
• faultfinding
• fretful
• grim
• grouchy
• grumbling
• humorless
• indignant
• irritated
• joyless
• low
• malcontent
• mirthless
• miserable
• murmuring
• opposed
• opposing
• peevish
• petulant
• poor
• querulous
• rebellious
• resentful
• restive
• restless
• sorry
• sulky
• testy
• unaccommodating
• unappreciative
• uncheerful
• uncomplimentary
• uneasy
• unfavorable
• unfulfilled
• ungratified
• unhappy
• unsatisfied
• unsmiling
• vexed
• whiny
• wretched