| pale(adjective, dull, gray, purple, pallid) |
| pewter(adjective, made, made of lead) |
| profound |
| silvery(adjective, dull, lead, grim, gray) |
| slothful(adjective, dull, quiet, easy, slow) |
| supine(adjective, dull, quiet, weak, easy) |
| unhurried(adjective, dull, weak, easy, slow) |
| benumbed(adjective, lethargic) |
| dapple-gray(adjective, gray) |
| dim(adjective, dull, soft, obscure, flat) |
| dormant(still, sluggish, lifeless, lazy, listless) |
| drugged(adjective, lethargic) |
| dry(adjective, dull, flat, boring, lifeless) |
| grizzled(adjective, gray) |
| iron-gray(adjective, gray) |
| lead-gray(adjective, gray) |
| pearl-gray(adjective, gray) |
| slack(adjective, dull, quiet, moderate, easy) |
| spiritless(adjective, action, dull, weak, easy) |
| taupe(adjective, gray) |