Entry 4 senses · 3 variants Webster, 1913 Swelt · IPA /swɛlt/ imp. v. i. v. t. 01 imp. imp. of Swell. 1. imp. of Swell.obs. See: Swell 02 v. i. To die; to perish. 1. To die; to perish.[Obs.] 2. To faint; to swoon.[Obs.] “Night she swelt for passing joy.” — Spenser. 03 v. t. To overpower, as with heat; to cause to faint; to swelter. 1. To overpower, as with heat; to cause to faint; to swelter.[Obs. or Prov. Eng.]