Word Forms of "define" (5 forms)

Noun

Form	Word
Plural	defines

Pluraldefines

Verb

Form	Word
Participle, Past	defined
Participle, Present	defining
Past	defined
Present, Singular, Third-Person	defines

Participle, Pastdefined

Participle, Presentdefining

Pastdefined

Present, Singular, Third-Persondefines

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