| insignificant(adjective, light, slight, fine, important) |
| imperceptible(adjective, hard, light, knowledge, slight) |
| inconsiderable(adjective, weak, slight, poor, small) |
| infinitesimal(adjective, light, slight, small, limited) |
| trivial(adjective, light, slight, fine, important) |
| slight(adjective, small, inadequate, limited, unimportant) |
| small(adjective, light, weak, slight, poor) |
| impalpable(adjective, knowledge, imperceptible, littleness, unsubstantial) |
| inconsequential(adjective, slight, small, insignificant, unimportant) |
| invisible(adjective, knowledge, hidden, unable, imperceptible) |
| evanescent(adjective, slight, small, unimportant, commonplace) |
| insensible(adjective, knowledge, indifferent, imperceptible) |
| intangible(adjective, knowledge, indefinite, imperceptible, littleness) |
| little(adjective, light, slight, small, miserable) |
| minor(adjective, light, slight, small, insignificant) |
| minute(adjective, slight, small, insignificant, limited) |
| negligible(adjective, light, slight, small, insignificant) |
| unimportant(adjective, light, slight, small, insignificant) |
| immaterial(adjective, light, slight, small, insignificant) |
| inadequate(adjective, light, insignificant, unimportant, useless) |