| grumbler(noun, adjective, happy, unhappy) |
| griper(noun, adjective, happy, informal) |
| malcontent(noun, adjective, unhappy, negative) |
| querulous(adjective, unhappy, negative) |
| disaffected(adjective, unhappy, negative) |
| discontented(adjective, unhappy, unpleasant, negative) |
| dissatisfied(adjective, unhappy, unpleasant, negative) |
| out of humour with(adjective, unhappy, negative) |
| rebel(adjective, unhappy, negative) |
| uncontented(adjective, unhappy, unpleasant, negative) |
| acidulated(adjective, unhappy, negative) |
| acidulous(adjective, unhappy, negative) |
| annoyed(adjective, unhappy, negative) |
| browned-off(adjective, unhappy, negative) |
| browned off(adjective, unhappy, negative) |
| chuffed(adjective, unhappy, negative) |
| contentless(adjective, unhappy, negative) |
| crabbed(adjective, unhappy, negative) |
| cross(adjective, unhappy, negative) |
| disgruntled(adjective, unhappy, negative) |