| sentimental(adjective, soft, sweet, emotional, wet) |
| monotonous(adjective, dull, weak, simple, flat) |
| weak(adjective, dull, flat, plain, mild) |
| colourless |
| dreary(adjective, dull, flat, ordinary, dry) |
| dry(adjective, dull, simple, flat, plain) |
| tame(adjective, dull, weak, kind, simple) |
| flavourless(adjective, flat) |
| vacuous(adjective, dull, flat, indifferent, silly) |
| watery(adjective, good, dull, weak, flat) |
| banal(adjective, dull, set, weak, simple) |
| drab(adjective, dull, weak, simple, flat) |
| mild(adjective, dull, weak, kind, soft) |
| unexciting(adjective, dull, weak, plain, mild) |
| unimaginative(adjective, dull, simple, flat, plain) |
| stupid(adjective, dull, flat, silly, ordinary) |
| arid(adjective, dull, flat, stupid, ordinary) |
| blah(adjective, dull, weak, simple, flat) |
| colorless(adjective, dull, weak, simple, flat) |
| ordinary(adjective, dull, set, simple, flat) |