pistle UK /ˈpɪsl̩/US /ˈpɪs(ə)l/noun 2verb 1forms 3 noun2 •(no longer used) A story conveyed verbally. •(no longer used) Synonym of epistle.when they were departed / they cam to Antioche and gaddred the multitude togedder and delivered the pistle. — 1526 verb1 •(no longer used, rare) To write about (someone or something) in, or in the form of, a letter. formspistled · pistling · pistles