| fuzz(verb, cover, confuse, hide, conceal) |
| gray(verb, adjective, dull, cover, confuse) |
| murk(verb, cover, confuse, hide, conceal) |
| mushy(adjective, dull, soft, dark, heavy) |
| obfuscate(verb, cover, reduce, lower, obscure) |
| somber(adjective, dull, soft, obscure, flat) |
| achromatize(verb, dull, dissolve, lighten) |
| adumbrate(verb, cover, obscure, confuse, hide) |
| become colorless(verb, expression, dull, dissolve) |
| bedim(verb, cover, reduce, lower, obscure) |
| blanch(verb, dull, reduce, diminish) |
| bleach(verb, dull, pale, dissolve) |
| blear(verb, dull, cover, reduce, lower) |
| blench(verb, dull, dissolve, lighten) |
| block(verb, cover, confuse, hide, conceal) |
| block out(verb, expression, cover, confuse, hide) |
| cover up(verb, expression, phrasal verb, cover, confuse) |
| decolorize(verb, dull, dissolve, lighten) |
| disappear(verb, dull, dissolve) |
| dissolve(verb, dull) |