Entry 2 senses · 2 variants Webster, 1913 Blet · IPA /blɛt/ n. v. i. 01 n. A form of decay in fruit which is overripe. 1. A form of decay in fruit which is overripe. 02 v. i. To decay internally when overripe; -- said of fruit. imp. & p. p. Bletted; p. pr. & vb. n. Bletting 1. To decay internally when overripe; -- said of fruit.