Webster’s Revised Unabridged Dictionary · 1913 Evanish E·van′ish (·ĭsh), v. i. [Pref. e- + vanish: cf. L. evanescere. See Evanesce, vanish.] To vanish. Or like the rainbow's lovely form, Evanishing amid the storm. Burns. ‹ Evanid Evanishment ›