| bland(adjective, good, dull, weak, kind) |
| flat(adjective, dull, hard, weak, kind) |
| dull(adjective, hard, light, weak, kind) |
| jejune(noun, adjective, good, dull, weak) |
| vapid(adjective, good, dull, weak, kind) |
| tedious(adjective, dull, weak, simple, flat) |
| uninteresting(adjective, dull, weak, simple, flat) |
| boring(adjective, dull, weak, simple, flat) |
| prosaic(adjective, dull, weak, flat, stupid) |
| tasteless(adjective, dull, hard, weak, taste) |
| stale(adjective, dull, hard, weak, flat) |
| banal(adjective, dull, hard, weak, slight) |
| tiresome(adjective, dull, simple, flat, stupid) |
| humdrum(adjective, dull, weak, flat, plain) |
| lifeless(adjective, dull, weak, stupid, dry) |
| watery(adjective, good, dull, hard, light) |
| dead(adjective, dull, hard, weak, flat) |
| dry(adjective, dull, hard, flat, ordinary) |
| wishy-washy(adjective, good, dull, light, weak) |
| monotonous(adjective, dull, weak, simple, flat) |