tuff

1
[tuhf]

tuff

2
[tuhf]
noun Geology.
  1. a fragmental rock consisting of the smaller kinds of volcanic detritus, as ash or cinder, usually more or less stratified.

Origin of tuff

2
1560–70; < French tuf < Italian tufo. See tufa
Also called volcanic tuff.
Related formstuff·a·ceous [tuh-fey-shuh s] /tʌˈfeɪ ʃəs/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for tuff

Contemporary Examples of tuff

  • All of them, Tuff and Kellie and Clyde and Elsie, like to take this wherever they go: He died doing what he wanted to do.

    The Daily Beast logo
    The Death of a Rodeo Cowboy

    Peter Richmond

    May 11, 2014

  • “This is all we live for,” Tuff Hedeman was saying on the Astrodome floor, far removed from Willie and his friends.

    The Daily Beast logo
    The Death of a Rodeo Cowboy

    Peter Richmond

    May 11, 2014

  • Tuff and Tracie and Kellie lost count of the hours they spent waiting on Lane after the rodeos.

    The Daily Beast logo
    The Death of a Rodeo Cowboy

    Peter Richmond

    May 11, 2014

  • Like her last name would suggest, Tuff really has been through a lot.

    The Daily Beast logo
    The Woman Who Stopped a School Shooting

    Caitlin Dickson

    January 22, 2014

  • Tuff cared for Derrick and his older sister, LaVita, while working two or three jobs at a time.

    The Daily Beast logo
    The Woman Who Stopped a School Shooting

    Caitlin Dickson

    January 22, 2014

Historical Examples of tuff


British Dictionary definitions for tuff

tuff

noun
  1. a rock formed by the fusing together on the ground of small rock fragments (less than 2 mm across) ejected from a volcano
Derived Formstuffaceous (tʌˈfeɪʃəs), adjective

Word Origin for tuff

C16: from Old French tuf, from Italian tufo; see tufa
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 tuff
adj.

advertiser's spelling of tough (adj.), attested by 1940.

Online Etymology Dictionary, © 2010 Douglas Harper

tuff in Science

tuff

[tŭf]
  1. A rock made up of particles of volcanic ash, varying in size from fine sand to coarse gravel.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.