sullen /sulˈən/

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

Sullenly

sullˈenly adverb

• adding machines
• add-ins
• add insult to injury
• addio
• Addison's disease
• additament
• additaments
• addition
• additional
• additionality
• additionally
• additional member system
• addition compound
• addition product
• addition reaction
• additions
• addititious
• additive
• additive-free
• additives
• addle
• addle-brained
• addled
• addle-headed
• addlement