| bloodless(adjective, dull, weak, mild, feeble) |
| boiled down(expression, adjective, dull, weak, mild) |
| diluted(adjective, dull, weak, mild, feeble) |
| feeble(adjective, dull, weak, mild, bland) |
| flat(adjective, dull, weak, mild, feeble) |
| halfhearted(adjective, dull, weak, mild, feeble) |
| humdrum(adjective, dull, weak, mild, feeble) |
| limp(adjective, dull, weak, mild, feeble) |
| spiritless(adjective, dull, weak, mild, feeble) |
| tame(adjective, dull, bland, insipid, uninteresting) |
| unexciting(adjective, dull, weak, mild, feeble) |
| uninspiring(adjective, dull, weak, mild, feeble) |
| bland(adjective, dull, weak, mild, insipid) |
| conventional(adjective, dull, weak, mild, feeble) |
| dull(adjective, weak, bland, insipid, uninteresting) |
| insipid(adjective, dull, weak, bland, uninteresting) |
| lifeless(adjective, dull, weak, bland, insipid) |
| monotonous(adjective, dull, weak, bland, insipid) |
| prosaic(adjective, dull, weak, bland, insipid) |
| routine(adjective, dull, weak, bland, insipid) |