Word Forms of "proprietary" (3 forms)

Adjective

Form	Word
Comparative	more proprietary
Superlative	most proprietary

Comparativemore proprietary

Superlativemost proprietary

Noun

Form	Word
Plural	proprietaries

Pluralproprietaries

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