toughen

[ tuhf-uhn ]
/ ˈtʌf ən /

verb (used with or without object)

to make or become tough or tougher.

Origin of toughen

First recorded in 1575–85; tough + -en1

OTHER WORDS FROM toughen

tough·en·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for toughen

British Dictionary definitions for toughen

toughen
/ (ˈtʌfən) /

verb

to make or become tough or tougher
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