designable /dɪˈzaɪnəbəl/adjective 1/ˈdɛzɪɡnəbəl/ adjective 1forms 2 adjective1 •Capable of being designed. designable /ˈdɛzɪɡnəbəl/ adjective1 •(no longer used) Capable of being designated; designatable. formsmore designable · most designable