To a great degree or by a great distance; very much (`right smart' is regional in the United States)(adverb)
WordNet. Princeton University. 2010.
Use "right smart" in a sentence
"There's a right smart of range encompassed therein, even if it were flat as a plat map rather than rared up into the sky and folded into every kind of cove and hollow and vale."
""Yes, Beldory's right smart of a good-looker," agreed Aunt Polly Ann. Then she sighed long and deeply."