| halfhearted(adjective, dull, weak, bland, uninteresting) |
| namby-pamby(adjective, good, excite) |
| pointless(adjective, dull, weak, flat, silly) |
| run-of-the-mill(adjective, dull, flat, ordinary, dry) |
| slight(adjective, dull, uninteresting) |
| slow(adjective, dullness) |
| trifling(adjective, unimportant) |
| uninspired(adjective, dull, weak, flat, boring) |
| uninspiring(adjective, dull, weak, flat, plain) |
| vacuous(adjective, silly, boring, tedious, lifeless) |
| barren |
| clear(adjective, weak, plain, mild, tasteless) |
| dilute(adjective, weak, thin, liquid, colorless) |
| dismal(adjective, dull, flat, ordinary, dry) |
| empty(adjective, ineffective, fruitless) |
| inane(adjective, dull, weak, soft, sweet) |
| indecisive(adjective, irresolute) |
| irresolute(adjective, irresolute) |
| lacklustre |
| mediocre |