| puerile(adjective, dull, slight, poor, silly) |
| secondary(adjective, light, slight, lower, low) |
| small-time(adjective, light, slight, low, small) |
| sterile(adjective, poor, base, inferior, insignificant) |
| subpar(adjective, weak, poor, miserable, inferior) |
| unessential(adjective, poor, base, small, inferior) |
| unproductive(adjective, poor, base, stupid, inferior) |
| unsubstantial(adjective, light, weak, soft, slight) |
| barren(adjective, poor, base, inferior, insignificant) |
| base(adjective, mean, weak, lower, obscure) |
| contemptible(adjective, mean, weak, lower, obscure) |
| evanescent(adjective, slight, important, small, unimportant) |
| frothy(adjective, light, slight, easy, lower) |
| imperceptible(adjective, hard, faint, littleness) |
| inadequate(adjective, mean, light, weak, soft) |
| inane(adjective, dull, simple, slight, poor) |
| indifferent(adjective, reasonable, slight, lower, sensible) |
| ineffective(adjective, poor, base, stupid, inferior) |
| jejune |
| moderate(adjective, weak, soft, reasonable, slight) |