| inconspicuous(adjective, simple, easy, plain, modest) |
| indifferent(adjective, cool, informal, relaxed, easygoing) |
| indiscriminate(adjective, casual, cursory) |
| low-pressure(adjective, cool, simple, relaxed, familiar) |
| lowly(adjective, simple, clean, plain, pure) |
| modest(adjective, simple, clean, plain, pure) |
| obvious(adjective, simple, straightforward) |
| ordinary(adjective, simple, easy, plain, modest) |
| plain(adjective, simple, clean, pure, modest) |
| promiscuous |
| slipshod(adjective, casual, random, haphazard, indiscriminating) |
| straightforward(adjective, simple, easy, plain, relaxed) |
| unadorned(adjective, simple, clean, plain, pure) |
| unassuming(adjective, modest, inconspicuous) |
| unconscientious |
| unconstrained(adjective, simple, easy, plain, relaxed) |
| undiscriminating(adjective, casual, cursory) |
| unelaborate(adjective, simple, clean, plain, pure) |
| unexacting(adjective, casual, random, haphazard, indiscriminating) |
| unobtrusive(adjective, modest, inconspicuous) |