dulls
词形变化：
形容词: dullish | 副词: dully | 形容词比较级: duller | 形容词最高级: dullest | 名词: dullness | 动词过去式: dulled | 动词过去分词: dulled | 动词现在分词: dulling | 动词第三人称单数: dulls |
同义词：
boring | stupid | blunt | uninteresting | dim | muffle | dampen | muted | cloudy | dark | deaden | stultify | cloud | reduce | blur | assuage | slow | sluggish | gray | inactive | dreary | dry | dingy | tiresome | tedious | flat | monotonous | dense | unsharp | insipid | numb | damp | dumb | obtuse | colorless | literal | darken | cheerless | discolor | black | thick | dead | keen | backward | deadly | sharp | muddy | bloodless | arid | alleviate | languid | sleepy | simple | opaque | glassy | stuffy | fishy | silence | fade | vivid | white | wooden | vegetable | practical | slack | drab | lower | leaden | wearisome | ho-hum | tone down | muffled | bright | irksome | benumb | pall | softened | mute | deadening | thudding |
反义词：