sullen

[suhl-uhn] / ˈsʌl ən /

ADJECTIVE

brooding, upset

Synonyms

STRONGEST

churlish dour gloomy glum grumpy hostile morose petulant somber surly ugly

WEAK

bad-tempered cheerless crabbed crabby cross cynical dismal dull fretful frowning glowering gruff heavy ill-humored inert irritable malevolent malicious malign mean moody obstinate ornery out of sorts peevish perverse pessimistic pouting pouty querulous saturnine silent sour sourpussed stubborn sulking sulky tenebrific tenebrous unsociable uptight

Antonyms

STRONGEST

agreeable bright cheerful friendly gentle happy joyful kind nice pleasant

WEAK

grinning

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The women stare back at her with sullen but intrigued faces.

From Los Angeles Times • Apr. 28, 2026

Those sullen teens trailing their parents toward the taco truck—why the hooded sweatshirts in 84-degree heat and 72-percent humidity?

From Slate • Aug. 13, 2025

His mood was sullen, according to Meridith McGraw, author of Trump in Exile, an account of the former president’s time after leaving the White House.

From BBC • Nov. 2, 2024

The courtroom sketch artists have depicted defendant Trump as bored, sullen, hostile, occasionally happy, and with a look of contempt and disgust on his face.

From Salon • Apr. 22, 2024

Charles, in the office, was sullen and uncommunicative.

From "The Secret History" by Donna Tartt

Vocabulary lists containing sullen

In the Mood? 100 Words to Describe Emotions

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

A Wrinkle in Time

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

List 8

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!