Word Forms of "mouthful" (4 forms)

Adjective

Form	Word
Comparative	more mouthful
Superlative	most mouthful

Comparativemore mouthful

Superlativemost mouthful

Noun

Form	Word
Plural	mouthfuls
Plural	mouthsful

Pluralmouthfuls

Pluralmouthsful

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