typo /ˈtaɪpəʊ/noun 2verb 1forms 5 noun2 •A typographical error.Sorry, I meant to say “buy a SODA”—“sofa” was a typo. •(informal, old-fashioned) A compositor; a typographer.On the highest, rear seat was James Williams, of Cloverdale, Missouri, and his Bride. Capitalise it, friend typo—that last word—word of words in the epiphany of life and love. — 1906 verb1 •To make a typographical error. formstypo'd · typoed · typoing · typos · typoes