| inferred(slight, fine, thin) |
| informed |
| ingenious(slight, fine, thin) |
| inoffensive |
| insinuated(slight, fine, thin) |
| insipid(adjective, ironic, deadpan, laconic, wry) |
| ironical(adjective, ironic, deadpan, laconic, wry) |
| keen(adjective, ironic, deadpan, laconic, wry) |
| laconic(adjective, ironic, deadpan, wry) |
| laid-back(dull, quiet, subdued, lusterless, unglamorous) |
| laid back(expression, adjective, simple, plain, modest) |
| lenient(adjective, quiet, faint, melodious, muted) |
| light(adjective, quiet, faint, melodious, muted) |
| loose(quiet, simple, subdued, uncomplicated, unglamorous) |
| low(adjective, quiet, faint, melodious, muted) |
| low-pitched(adjective, quiet, subdued, unglamorous, unspectacular) |
| low-profile(modest, inconspicuous, unremarkable) |
| low profile(expression, idiom) |
| matter-of-fact(adjective, ironic, deadpan, laconic, wry) |
| meek(modest, inconspicuous, unremarkable) |