| v. i. | 1. | To be overcome and faint with heat; to be ready to perish with heat. |
| 2. | To welter; to soak. | |
| v. t. | 1. | To oppress with heat. |
| 2. | To exude, like sweat. |
| Verb | 1. | swelter - be uncomfortably hot |
| 2. | swelter - suffer from intense heat; "we were sweltering at the beach" |