| lazy(adjective, madcap, unaccountable, irresponsive) |
| light(adjective, feature, state, trait) |
| light-hearted(adjective, feature, state, trait) |
| lighthearted(adjective, feature, state, trait) |
| lightsome(adjective, feature, state, trait) |
| limited(inferior, inadequate, feeble, useless, vain) |
| lively(adjective, feature, state, trait) |
| lukewarm(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| merry(adjective, feature, state, trait) |
| mirthful(adjective, feature, state, trait) |
| motiveless(adjective, insignificant, irregular, useless, empty) |
| needless(irregular, senseless, nonsensical) |
| nerveless |
| neutral(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| neutralized(inferior, inadequate, limited, feeble, useless) |
| no good(expression, weak, stupid, idle, useless) |
| nonfunctional(weak, stupid, idle, useless, incompetent) |
| nonsensical(adjective, value, insignificant, unimportant, irregular) |
| nothing(adjective, value, insignificant, unimportant, empty) |
| nugacious |