Skip to word definition
English
CEFR C1

sullen

Rank #8977 in frequency ranking in frequency

Quick Actions

Meanings & Definitions

adjective

Example Sentences

"The boy was sullen after his toy broke"

"His sullen mood darkened the whole room"

"Don't be sullen; tell me what's wrong"

"She gave a sullen look when she lost the game"

"Why is he so sullen today?"

Categories

Emotions & Feelings

AI Word Assistant

Ask anything about sullen in en

Quick Prompts

Ask me anything about this word!

Try a quick prompt or type your own question.

AI responses are powered by DeepSeek AI. If you encounter errors, please try again later.

This AI assistant can help you understand nuances, usage, and more about sullen. Powered by w9999 AI.

Premium Feature

Master "sullen" with W9999

Everything you need to remember this word

AI Tutor

Personalized explanations & practice

Smart Flashcards

Spaced repetition system

Progress Tracking

Daily streaks & achievements

✓Free forever
✓No credit card
✓Start in 30s
Save "sullen"
W

W9999 Language Learning

Master vocabulary with AI-powered tools

© 2026 W9999. Free for everyone, forever.