Entry 1 sense Webster, 1913 Twiggy /twĭg'-ē/ · Twig·gy · IPA /twˈɪɡiː/ 01 a. Of or pertaining to a twig or twigs; like a twig or twigs; full of twigs; abounding with shoots. 1. Of or pertaining to a twig or twigs; like a twig or twigs; full of twigs; abounding with shoots.