proove in English dictionary proove Meanings and definitions of "proove" (dated, 16-18th century) Alternative spelling of prove. verb Obsolete spelling of [i]prove[/i] [16th-18th century] verb Misspelling of [i]prove[/i]. more Grammar and declension of proove to proove (see below for this verb’s conjugation) (Verb) null proove (third-person singular simple present prooves, present participle prooving, simple past prooved or prove, past participle prooved or prooven) more Sample sentences with "proove" Declension Stem Try again Available translations Khmer Authors