i Register
In some senses, sullen is marked as obsolete, archaic. Watch for register when choosing this word.
adj
Having a brooding ill temper; sulky.
Still she entreats, and prettily entreats, / For to a pretty ear she tunes her tale; / Still is he sullen, still he lours and frets, / ‘Twixt crimson shame and anger ashy-pale;
And sullen I forsook the imperfect feast.
Gloomy; dismal; foreboding.
a sullen atmosphere
Our solemn hymns to sullen dirges change;
Sluggish; slow.
The larger [stream] was placid, and even sullen, in its course.
When ends life's transient dream, / when death’s cold, sullen stream / shall o'er me roll,
Mischievous; malignant; unpropitious.
Such sullen planets at my birth did shine, / They threaten every Fortune mixt with mine.
she meets again / The savage murderer's sullen gaze,
Obstinate; intractable.
Things are as sullen as we are, and will be what they are whatever we think of them.
noun
One who is solitary, or lives alone; a hermit.
He sit neither with seint Johan, / Symond ne Jude, / Ne with maydenes ne with martires, / Confessours ne wydewes; / But by hymself as a soleyn, / And served on erthe.
Sullen feelings or manners; sulks; moroseness.
And let them die that age and sullens have;
If she be not sick of the sullens, I see not the least infirmity in her.
verb
To make sullen.
The idle man is like the dumb jack in a virginal: while all the other dance out a winning music, this, like a member out of joint, sullens the whole body, with an ill disturbing laziness.