Word forms: 3rd person singular present tense clenches , present participle clenching , past tense , past participle clenched. 1. verb. When you clench your fist or your fist clenches, you curl your fingers up tightly, usually because you are very angry. Alex clenched her fists and gritted her teeth. [VERB noun]
Chattanooga is a city in the U.S. state of Tennessee, with a population of 176,588 in 2015. The fourth-largest Tennessee city, it is the seat of Hamilton County. Located in southeastern Tennessee in East Tennessee, on the Tennessee River, served by multiple railroads and Interstate highways, Chattanooga is a transit hub.
The highest monthly average temperature in Chattanooga for August is 80 degrees. The lowest monthly average temperature in Chattanooga for January is 43 degrees. The most monthly precipitation in Chattanooga occurs in December with 5.6 inches. The air quality index in Chattanooga is 11% better than the national average. The pollution index in Chattanooga is 94% better than the national average.