adj. possessing physical strength and weight; rugged and powerful; powerfully or heavily built.
adj. impressive, mighty
the GNU version of the Collaborative International Dictionary of English
adj. Moderately heavy.
adj. Strong; muscular; -- of people.
adj. Substantial; large.
The Century Dictionary and Cyclopedia
Having considerable weight; rather heavy; hence, weighty; forcible: as, a hefty tool; a hefty argument.
Easy to lift and handle.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of considerable weight and size
adj. large in amount or extent or degree
adj. (of a person) possessing physical strength and weight; rugged and powerful
Word Usage
"Neither committee appears to have clear internal spending guidelines, and their reports do not explain hefty expenditures in categories such as "office supplies" and "tips" that consume tax-exempt party funds."