paraph UK /ˈpaɹəf/US /ˈpɛrəf/noun 2verb 1forms 3 noun2 •A flourish made after or below one's signature, originally to prevent forgery. •A mark used by medieval rubricators to indicate textual division. verb1 •To add a paraph to; to sign, especially with one's initials. formsparaphed · paraphing · paraphs