Topic: NATURE
| Date: | 1300-1400 |
| Origin: | Probably from an unrecorded Anglo-French solein 'single, solitary, sullen', from Latin solus 'alone' |
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sul‧len

1 angry and silent, especially because you feel life has been unfair to you :
Bill sat in sullen silence and refused to eat his lunch.
a look of sullen resentment
Bill sat in sullen silence and refused to eat his lunch.
a look of sullen resentment2 literaryDN a sullen sky or sea is dark and looks as if bad weather is coming
—sullenly adverb
—sullenness noun [uncountable]
