Word Forms of "waterproof" (7 forms)

Adjective

Form	Word
Comparative	more waterproof
Superlative	most waterproof

Comparativemore waterproof

Superlativemost waterproof

Noun

Form	Word
Plural	waterproofs

Pluralwaterproofs

Verb

Form	Word
Participle, Past	waterproofed
Participle, Present	waterproofing
Past	waterproofed
Present, Singular, Third-Person	waterproofs

Participle, Pastwaterproofed

Participle, Presentwaterproofing

Pastwaterproofed

Present, Singular, Third-Personwaterproofs

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