| lackluster(adjective, dull, light, weak, simple) |
| dull(adjective, beat, light, simple, flat) |
| pale(adjective, beat, weak, feeble, exhausted) |
| drab(adjective, dull, simple, flat, excite) |
| flat(adjective, light, excite, drab, lackluster) |
| lifeless(adjective, dull, weak, simple, flat) |
| mat(adjective, light, drab, lackluster, lacklustre) |
| colorless(adjective, dull, beat, weak, simple) |
| dim(adjective, dull, light, flat, boring) |
| lacklustre(adjective, drab, lackluster, lacklustre) |
| muted(adjective, dull, flat, boring, lifeless) |
| prosaic(adjective, dull, bad, simple, flat) |
| faded(adjective, beat, shabby, exhausted, distressed) |
| lustreless |
| white(adjective, colorless) |
| achromatic(adjective, distressed, worn, colorless, stonewashed) |
| dead(adjective, dull, simple, flat, clean) |
| anemic(adjective, weak, feeble, lackluster, powerless) |
| arid(adjective, excite) |
| expressionless |