minuscule UK /ˈmɪnɪˌskjuːl/US /ˈmɪnəˌskjul/adjective 3noun 3forms 3 adjective3 •Very small; tiny. •Written in minuscules, lowercase. •Written in minuscule handwriting style. noun3 •A lowercase letter. •A letter in these styles. •Either of the two medieval handwriting styles minuscule cursive and Caroline minuscule.By the eighth century, Irish scribes had refined everyday cursive writing in minuscule to allow its use for the production of quality vellum books. — 2001 formsminuscules · more minuscule · most minuscule