| flimsy(adjective, strong, light, slight, thin) |
| light(adjective, weak, smooth, soft, slight) |
| sketchy(adjective, slight, flat, rough, poor) |
| glib(adjective, light, detail, surface, slick) |
| hurried(adjective, detail, casual, quick, surface) |
| empty(adjective, slight, detail, foolish, trivial) |
| flippant(adjective, silly, foolish, trivial, faint) |
| silly(adjective, slight, detail, foolish, stupid) |
| thin(adjective, weak, soft, gentle, content) |
| slapdash(adjective, weak, slight, thin, detail) |
| casual(adjective, weak, soft, gentle, detail) |
| insubstantial(adjective, weak, slight, flat, poor) |
| outer(adjective, surface, obvious, shallow, exposed) |
| outside(adjective, small, unimportant, minor, obvious) |
| peripheral(adjective, detail, silly, foolish, trivial) |
| petty(adjective, mean, slight, small, silly) |
| quick(adjective, light, casual, slick, hasty) |
| trifling(adjective, mean, weak, soft, slight) |
| unserious |
| careless(adjective, casual, quick, impulsive, reckless) |