| free(adjective, simple, easy, plain, relaxed) |
| free-and-easy(adjective, simple, easy, plain, modest) |
| heedless |
| homely(adjective, simple, clean, plain, pure) |
| improv(adjective, simple, easy, plain, modest) |
| inelaborate(adjective, simple, clean, plain, pure) |
| inexact |
| inornate |
| intimate(adjective, simple, easy, plain, relaxed) |
| laid back(expression, adjective, simple, plain, straightforward) |
| loose(adjective, cool, simple, plain, relaxed) |
| manifest |
| mellow(adjective, cool, simple, relaxed, familiar) |
| mere(adjective, simple, clean, plain, pure) |
| minimal(adjective, simple, regular, down-to-earth, unadorned) |
| mixed(adjective, simple, easy, plain, modest) |
| motley(adjective, simple, easy, plain, modest) |
| natural(adjective, simple, clean, plain, pure) |
| neglectful |
| negligent |