| gleeful(adjective, feature, state, trait) |
| heedless(adjective, feature, state, trait, lethargic) |
| high-spirited(adjective, feature, state, trait) |
| impassive(adjective, calm, dull, quiet, cool) |
| incurious(adjective, calm, cool, informal, careless) |
| inert(adjective, dull, quiet, weak, easy) |
| jaded(adjective, cool, refined, practical, mature) |
| 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) |
| laid back(expression, adjective, feature, state, calm) |
| languorous(adjective, dull, weak, easy, slow) |
| lazy(adjective, calm, dull, weak, easy) |
| lenient(adjective, mild, relaxed, tolerant, permissive) |
| light(adjective, feature, state, calm, cool) |
| lightsome(adjective, feature, state, trait) |
| lively(adjective, feature, state, trait) |
| low-key(adjective, calm, quiet, cool, informal) |