Entry 2 senses · 2 variants Webster, 1913 Overlight · O·ver·light · IPA /ˌəʊvə(ɹ)ˈlaɪt/ n. a. 01 n. Too strong a light. 1. Too strong a light. 02 a. Too light or frivolous; giddy. 1. Too light or frivolous; giddy.