darkens
词形变化：
名词: darkener | 动词过去式: darkened | 动词过去分词: darkened | 动词现在分词: darkening | 动词第三人称单数: darkens |
同义词：
blacken | dim | black | obscure | grow dark | overshadow | smudge | shadow | shade | blotch | depress | dishearten | deaden | dull | smoke | gloom | oppress | blind | discourage | mat | eclipse | deject | dispirit | dusk | cloud | down | becloud | obfuscate | obumbrate | black out | deepen | cast a shadow | cloud over | tone down | cast down | look black | out | lower | strike | cast | tone | dark | grow | look |
反义词：