Word Forms of "sullen" (7 forms)

Adjective

Form	Word
Comparative	sullener
Superlative	sullenest

Comparativesullener

Superlativesullenest

Noun

Form	Word
Plural	sullens

Pluralsullens

Verb

Form	Word
Participle, Past	sullened
Participle, Present	sullening
Past	sullened
Present, Singular, Third-Person	sullens

Participle, Pastsullened

Participle, Presentsullening

Pastsullened

Present, Singular, Third-Personsullens

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.