| dull(adjective, flat, grim, pale, sluggish) |
| inactive(adjective, quiet, cool, indifferent, still) |
| tolerant(adjective, characteristic, calm, soft, reasonable) |
| vague(adjective, dull, flat, careful, pale) |
| impassive(adjective, calm, quiet, cool, moderate) |
| listless(adjective, calm, quiet, cool, energy) |
| abstract(adjective, calm, dull, flat, detached) |
| calm(adjective, dull, quiet, cool, smooth) |
| white(adjective, dull, light, flat, fair) |
| beige(noun, adjective, cream, khaki, tan) |
| unemotional(adjective, calm, quiet, cool, moderate) |
| uninterested(adjective, cold, indifferent, detached, casual) |
| indeterminate(adjective, dull, flat, pale, uniform) |
| indistinct(adjective, dull, flat, pale, bland) |
| noncommittal(noun, adjective, moderate, decide, vague) |
| on the fence(expression, adjective, idiom, fair, indifferent) |
| pale(adjective, dull, light, soft, flat) |
| peaceful(adjective, calm, quiet, cool, friendly) |
| toneless(adjective, dull, flat, pale, uniform) |
| unaligned(adjective, detached, unconcerned, impartial, unbiased) |