Wiktionary
awfulest
a. (en-superlative of: awful)
Usage examples of "awfulest".
Most of the regiments have been with us since we formed the first brigade Pap Thomas ever commanded, and waded with him through the mud of Kentucky, from Wild Cat to Mill Springs, where he gave Zollicoffer just a little the awfulest thrashing that a Rebel General ever got.
I watched these at their awfulest, from the wide windows of a cottage that crouched in the very edge of the surf, with the effect of clutching the rocks with one hand and holding its roof on with the other.