workaday UK /ˈwɜːkədeɪ/US /ˈwɜɹkədeɪ/adjective 2noun 1forms 3 adjective2 •Suitable for everyday use. •Mundane or commonplace.But then something started to shift—the Burning Man aesthetic was creeping into the workaday world; festival culture went mainstream. — 2021 noun1 •(dialect, no longer used) A workday. formsworkadays · more workaday · most workaday