sullen
Concise Oxford English Dictionary © 2008 Oxford University Press:
sullen/ˈsʌlən/
▶adjective bad-tempered and sulky.
– derivatives
sullenly adverb,
sullenness noun.
sullenly adverb,
sullenness noun.
– origin ME (in the senses ‘solitary, averse to company’, and ‘unusual’): from Anglo-Norman Fr. sulein, from sol ‘sole’.
'sullen' also found in these Oxford entries:
