adjective, heft·i·er, heft·i·est.

heavy; weighty: a hefty book.
big and strong; powerful; muscular: a hefty athlete.
impressively large or substantial: a hefty increase in salary.

Nearby words

  1. heerlen,
  2. hefei,
  3. heffelfinger,
  4. hefner candle,
  5. heft,
  6. hegang,
  7. hegari,
  8. hegel,
  9. hegel, georg wilhelm friedrich,
  10. hegelian

Origin of hefty

First recorded in 1865–70; heft + -y1

Related formsheft·i·ly, adverbheft·i·ness, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hefty

British Dictionary definitions for hefty


adjective heftier or heftiest informal

big and strong
characterized by vigour or forcea hefty blow
large, bulky, or heavy
sizable; involving a large amount of moneya hefty bill; a hefty wage
Derived Formsheftily, adverbheftiness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for hefty



1867, from heft + -y (2). Related: Heftiness.

Online Etymology Dictionary, © 2010 Douglas Harper