sullen
adjectivebad-tempered and gloomy
What Makes This Word Tick
Sullen describes a mood that is gloomy, resentful, and hard to approach. It is not just quietness. The word often suggests bad temper held inside rather than spoken openly.
If Sullen Were a Person…
Sullen would sit at the table without looking up and make every answer sound smaller than it needed to be. They would not start a fight. Their mood would make the air feel heavy.
How This Word Has Changed Over Time
Sullen comes from Middle English solein, meaning morose, from Old French sol, meaning alone. That background fits the modern sense of withdrawn gloom. A sullen person often seems alone inside their bad mood.
Old Sayings and Proverbs
Sullen is not commonly found in traditional proverbs, but its meaning fits old warnings about silent resentment. An imagined proverb-like line might be: "A sullen cloud can darken a bright table." It suggests that one gloomy mood can affect a whole gathering.
Surprising Facts
Sullen can describe a person, expression, silence, or mood. A sullen reply may be short, gloomy, and resentful all at once. The word is useful when bad temper is quiet rather than explosive.
Out and About With This Word
You can use sullen for students, coworkers, children, rivals, or anyone withdrawing into bad temper. It fits meetings, dinners, classrooms, and long car rides. Use it when gloom and irritation sit together.
Pop Culture Moments Where Sullen Was Used
It would fit naturally alongside A Series of Unfortunate Events, where gloomy settings and difficult circumstances shape the mood. It also suits Twilight, where brooding silence and emotional distance often color the atmosphere. In both cases, sullen describes gloom with a bad-tempered edge.
The Word in Literature
In literature, sullen suits characters who carry resentment in silence. It can describe a look, mood, room, or reply that feels gloomy and closed off. The word gives quiet anger a dark shade.
Moments in History with Sullen
In a classroom after punishment, a barracks after bad news, or a crowded meeting after a defeat, sullen can describe the mood of people who are unhappy but not openly protesting. The setting makes silence meaningful. The word keeps attention on restrained bad temper.
This Word Around the World
Many languages have words for gloomy, resentful silence. Sullen gives English a word for bad temper that does not need shouting. It is useful when the mood is closed, dark, and difficult to lift.
Where Does It Come From?
Sullen comes from Middle English solein, meaning morose, from Old French sol, meaning alone. That origin fits the sense of withdrawn gloom. In modern English, sullen means bad-tempered and gloomy.
How People Misuse This Word
Sullen should not be used for someone who is simply quiet or shy. Quietness can be calm or gentle. Sullen works best when bad temper and gloom are both present.
Words It's Often Confused With
Sullen can be confused with sad, but sadness may be open or tender. It can also overlap with grumpy, though sullen usually feels quieter and more withdrawn. The word suggests dark mood held in.
Additional Synonyms and Antonyms
Additional synonyms: resentful, glum, moody, withdrawn Additional antonyms: bright, open, warm, good-natured
Want to Try It Out in a Sentence?
He remained sullen throughout the meeting, refusing to contribute.
Explore more words

antics
[an-tiks]
playful or silly behavior

polypod
[pol-ee-pod]
(of insect larvae) having many feet

hesitant
[hez-i-tant]
slow to act or speak due to uncertainty

supreme
[soo-preem]
highest in rank, power, or quality

soothsayer
[sooth-sey-er]
a person who predicts the future

radiate
[rey-dee-eyt]
to emit energy or heat in the form of rays or waves

amber
[amb-er]
a yellowish-orange fossilized tree resin often used in jewelry.

zenith
[zee-nith]
the time at which something is most powerful or successful

banausic
[buh-naw-sik]
serving utilitarian purposes only; mechanical; practical

caveat
[kav-ee-aht]
a warning or caution; admonition

sagacious
[suh-gey-shuhs]
having or showing acute mental discernment and keen practical sense; shrewd

lethargic
[luh-thahr-jik]
affected by lethargy; drowsy; sluggish; apathetic

fractious
[frak-shuhs]
readily angered; peevish; irritable; quarrelsome:

adjudicate
[uh-joo-di-keyt]
to pronounce or decree by judicial sentence

magnificent
[mag-nif-i-sent]
extremely beautiful, impressive, or excellent

fictive
[fik-tiv]
fictitious; imaginary