| blah(adjective, dull, weak, simple, plain) |
| boring(adjective, dull, weak, simple, plain) |
| ho hum(expression, adjective, dull, weak, simple) |
| bromidic(adjective, dull, simple, stupid, ordinary) |
| draggy(adjective, dull, simple, boring, tedious) |
| dreary(adjective, dull, simple, boring, tedious) |
| dry(adjective, dull, boring, dreary, gray) |
| dull(adjective, weak, plain, mild, ordinary) |
| insipid(adjective, dull, weak, simple, plain) |
| matter-of-fact(adjective, dull, simple, dry, boring) |
| monotonous(adjective, dull, weak, simple, plain) |
| plain(adjective, dull, weak, simple, mild) |
| tedious(adjective, dull, weak, simple, plain) |
| tiresome(adjective, dull, simple, boring, tedious) |
| trite(adjective, dull, simple, stupid, ordinary) |
| uninteresting(adjective, dull, weak, simple, plain) |
| weariful(adjective, dull, simple, boring, dreary) |
| wearisome(adjective, dull, simple, boring, tedious) |
| acerbic(adjective, ironic, deadpan, understated, laconic) |
| apathetic(adjective, dull, simple, uninteresting, ironic) |