Swelt, v. i. [OE. swelten to die, to swoon or faint, AS. sweltan to die; akin to OD. swelten to hunger, to fail, OS. sweltan to die, Icel. svelta to die, to hunger, Sw. svälta to hunger, Dan. sulte, Goth. sviltan to die. Cf. Swelter, Sweltry.] 1. To die; to perish.
2. To faint; to swoon. Chaucer.
Night she swelt for passing joy. Spenser.