| tame(adjective, weak, kind, simple, soft) |
| arid(adjective, excite, stupid, dry, boring) |
| cheerless(adjective, unhappy, dark, gloom, black) |
| dampen(verb, upset, calm, trouble, quiet) |
| depress(verb, activity, quiet, reduce, diminish) |
| depressing(adjective, unhappy, dark, gloomy, miserable) |
| dopey(adjective, quiet, simple, flat, low) |
| ponderous(adjective, quiet, severe, slow, heavy) |
| stupefy(verb, quiet, develop, diminish, rough) |
| tiring(adjective, tedious, boring, lifeless, irritating) |
| trite(adjective, set, hard, simple, flat) |
| uninspiring(adjective, boring, uninteresting, tedious, dreary) |
| vacuous(adjective, quiet, flat, careless, foolish) |
| dusky(adjective, quiet, obscure, dark, gloomy) |
| blah(adjective, calm, quiet, weak, simple) |
| callous(noun, verb, adjective, quiet, develop) |
| common(adjective, boring, ordinary, commonplace, set) |
| diminish(verb, stop, quiet, check, reduce) |
| empty(adjective, quiet, flat, heavy, dead) |
| faded(adjective, beat, hard, light, weak) |