sullen /sulˈən/

1. Gloomily angry and silent
2. Malignant, baleful
3. Dull, dismal

Sullenly

sullˈenly adverb

• retree
• retrees
• retrench
• retrenched
• retrenches
• retrenching
• retrenchment
• retrenchments
• retrial
• retrials
• retribute
• retributed
• retributes
• retributing
• retribution
• retributions
• retributive
• retributively
• retributor
• retributors
• retributory
• retried
• retries
• retrievable
• retrievableness