adjective, sweat·i·er, sweat·i·est.

covered, moist, or stained with sweat.
causing sweat.

Origin of sweaty

First recorded in 1325–75, sweaty is from the Middle English word swety. See sweat, -y1
Related formssweat·i·ly, adverbsweat·i·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sweaty

Contemporary Examples of sweaty

Historical Examples of sweaty

  • He was a sight; wet and dirty and sweaty from running, and scared.

  • The gardener wiped his sweaty forehead with the inside of his wrist.

  • His hat was pushed back, uncovering a forehead seamed and sweaty.

  • What hot and sweaty memories are linked with that word, haying!

    When Life Was Young

    C. A. Stephens

  • And Mitch took off his hat and let the wind blow through his sweaty hair.

    Mitch Miller

    Edgar Lee Masters

British Dictionary definitions for sweaty


adjective sweatier or sweatiest

covered with sweat; sweating
smelling of or like sweat
causing sweat
Derived Formssweatily, adverbsweatiness, 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 sweaty

late 14c., from sweat + -y (2). Related: Sweatiness.

Online Etymology Dictionary, © 2010 Douglas Harper