- against
- beefing
- bellyaching
- bitching
- cheerless
- complaining
- complaintful
- con
- crabbing
- crabby
- cranky
- croaking
- cross
- disappointed
- disapprobatory
- disapproving
- discontented
- disenchanted
- disgruntled
- disillusioned
- displeased
- dissatisfied
- dissenting
- envious
- faultfinding
- fractious
- grim
- griping
- grouchy
- grousing
- growling
- grumbling
- humorless
- in bad humor
- indignant
- infestive
- joyless
- low
- malcontent
- malcontented
- mirthless
- miserable
- murmuring
- muttering
- opposed
- opposing
- out of humor
- out of sorts
- peevish
- petulant
- pleasureless
- poor
- querulant
- querulous
- rebellious
- resentful
- restive
- restless
- sad
- sorry
- sorryish
- sulky
- turned-off
- unaccepting
- unaccommodating
- unappreciative
- unapproving
- uncheerful
- uncheery
- uncomplimentary
- uneasy
- unfavorable
- unfulfilled
- ungratified
- unhappy
- unjoyful
- unmirthful
- unsatisfied
- unsmiling
- whiny
- wretched