Entry 2 senses · 2 variants Webster, 1913 Mishap /mĭs'-hăpˌ/ · Mis·hap · IPA /ˈmɪshæp/ n. v. i. 01 n. Evil accident; ill luck; misfortune; mischance. 1. Evil accident; ill luck; misfortune; mischance. “Secure from worldly chances and mishaps.” — Shak. 02 v. i. To happen unluckily; -- used impersonally. 1. To happen unluckily; -- used impersonally.[Obs.]