| paltry(adjective, mean, slight, lower, value) |
| slight(adjective, mean, weak, soft, lower) |
| childish(adjective, silly, trivial, immature) |
| empty-headed(adjective, slight, ability, careless, silly) |
| flimsy(adjective, slight, poor, detail, trivial) |
| inconsequential(adjective, mean, light, weak, soft) |
| senseless(adjective, silly, trivial) |
| whimsical(adjective, free, pleasant, smart, wild) |
| worthless(adjective, slight, lower, value, small) |
| airy(adjective, thin, delicate, impulsive, unpredictable) |
| capricious(adjective, free, careless, wild, excited) |
| harebrained(adjective, ability, careless, excited, silly) |
| inane(adjective, slight, poor, careless, small) |
| playful(adjective, pleasant, keen, silly, trivial) |
| puerile(adjective, slight, poor, silly, stupid) |
| featherbrained(adjective, slight, ability, careless, silly) |
| goofy(adjective, dizzy, frothy, flighty, featherbrained) |
| nugatory(adjective, slight, lower, value, small) |
| pointless(adjective, silly, stupid, useless, trivial) |
| unserious |