Entry 1 sense Webster, 1913 Soi-disant /(swä"dē̇`zäN")/ · Soi·-di·sant · IPA /ˌswɑːdiːˈzɒ̃/ 01 a. Self-named; self-styled; pretended; would-be. 1. Self-named; self-styled; pretended; would-be.