| laid-back(adjective, feature, state, trait) |
| languid(adjective, feature, state, trait) |
| larking(adjective, pleasant, bright, happy, merry) |
| larkish(lighthearted, jumpy, playful, frolicsome) |
| laughing(adjective, feature, state, trait) |
| lax(adjective, feature, state, trait) |
| lightsome(adjective, feature, state, trait) |
| lots of laughs(expression, adjective, idiom, pleasant, bright) |
| mercurial |
| mettlesome(adjective, bright, energetic, passionate, determined) |
| mild(adjective, feature, state, trait) |
| militant |
| natant |
| negligent(adjective, feature, state, trait) |
| nonchalant(adjective, feature, state, trait) |
| off-the-wall(adjective, pleasant, happy, cheerful, jolly) |
| permissive(adjective, feature, state, trait) |
| pleasant(adjective, bright, happy, lively, merry) |
| plucky(adjective, bright, energetic, passionate, determined) |
| prankish(lively, spirited, lighthearted, jumpy, playful) |