| obscure(verb, adjective, cover, clear, obscure) |
| cloud(noun, verb, cover, clear, reduce) |
| darken(verb, cover, reduce, lower, obscure) |
| becloud(verb, cover, clear, reduce, lower) |
| fog(verb, cover, clear, reduce, lower) |
| befog(verb, cover, clear, reduce, lower) |
| eclipse(verb, dull, cover, clear, reduce) |
| overshadow(verb, cover, clear, obscure, confuse) |
| bedim(verb, cover, clear, reduce, lower) |
| blur(verb, dull, cover, clear, reduce) |
| overcast(verb, cover, clear, obscure, confuse) |
| shade(noun, verb, cover, obscure, confuse) |
| shadow(verb, cover, clear, obscure, confuse) |
| cover up(verb, expression, cover, obscure, alter) |
| blacken(verb, obscure, deepen, unlit) |
| blear(verb, cover, clear, reduce, lower) |
| cast a shadow(verb, expression, idiom, deepen) |
| cloud over(verb, expression, obscure, muddle) |
| muddy(verb, cover, reduce, lower, obscure) |
| murk(verb, cover, obscure, confuse, hide) |