| bland(adjective, dull, weak, boring, dead) |
| blithering(adjective, foolish) |
| characterless |
| cockeyed(silly, foolish, fantastic, unwise, impractical) |
| colorless(adjective, dull, weak, boring, dead) |
| contradictory(adjective, absurd) |
| credulous(adjective, silly, stupid, green, fat) |
| dazed(dull, unintelligent, witless) |
| dead(adjective, dull, weak, boring, tedious) |
| dim(adjective, dull, weak, simple, slow) |
| draggy(adjective, dull, weak, dead, tedious) |
| driveling(adjective, dull, boring, tedious, tasteless) |
| dry |
| expressionless |
| fatuitous |
| feckless(adjective, value, insignificant, unimportant, empty) |
| flaky(adjective, wild, silly, foolish, stupid) |
| flavorless(adjective, dull, weak, boring, dead) |
| flighty(slight, careless, stupid, trivial, absurd) |
| heedless(adjective, careless, stupid, unthinking, obtuse) |