| indiscriminative |
| indolent(mild, relaxed, tolerant, laid-back, permissive) |
| insensitive |
| irresponsible(adjective, feature, state, trait) |
| jaunty(adjective, feature, state, trait) |
| jocund(adjective, feature, state, trait) |
| jolly(adjective, feature, state, trait) |
| jovial(adjective, feature, state, trait) |
| joyful(adjective, feature, state, trait) |
| joyous(adjective, feature, state, trait) |
| jubilant(adjective, feature, state, trait) |
| kindly(adjective, weak, simple, gentle, tender) |
| laughing(adjective, feature, state, trait) |
| lazy(mild, relaxed, tolerant, laid-back, permissive) |
| liberal(adjective, calm, weak, mild, relaxed) |
| light-hearted(adjective, feature, state, trait) |
| lighthearted(adjective, feature, state, trait) |
| lightsome(adjective, feature, state, trait) |
| limp |
| lively(adjective, feature, state, trait) |