Entry 1 sense Webster, 1913 Linguistic /(lĭṉ*gwĭs"tĭk)/ · Lin·guis·tic · IPA /lɪŋˈɡwɪstɪk/ 01 a. Of or pertaining to language; relating to linguistics, or to the affinities of languages. 1. Of or pertaining to language; relating to linguistics, or to the affinities of languages.