US /ˈsʌlən/ UK /ˈsʌlən/
adj

Meanings

  1. 1
    adj

    badtempered and sulky; gloomy in mood or appearance

    The boy sat in sullen silence through the entire meal.

Thesaurus

Synonyms
1 adj · badtempered and sulky;... morosesulkyglumsurlymoodybroodingdour
Word family
Forms sullenness
Derived forms sullenlysullenness
Related forms solesolitary

Etymology

From Middle English solein ('solitary, sole, averse to company'), from Anglo-Norman *solein, from Vulgar Latin *sōlānus, from Latin sōlus ('alone'); the sense shifted from 'solitary' to 'gloomy'.

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