sullen /ˈsʌlən/adjective 5noun 2verb 1forms 5 adjective5 •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 — 1593 •Gloomy; dismal; foreboding.Our solemn hymns to sullen dirges change — 1591 •Sluggish; slow.The larger [stream] was placid, and even sullen, in its course. — 1814 •(no longer used) Mischievous; malignant; unpropitious.Such sullen planets at my birth did shine, / They threaten every Fortune mixt with mine. — 1675 •(no longer used) Obstinate; intractable.Things are as sullen as we are, and will be what they are whatever we think of them. — 1694 noun2 •[in the plural] Sullen feelings or manners; sulks; moroseness.And let them die that age and sullens have — 1595 •(no longer used) One who is solitary, or lives alone; a hermit. verb1 •(no longer used) 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. — 1620 formssullened · sullening · sullens · sullener · sullenest