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toughener

 - 2 dictionary results

tough⋅en

[tuhf-uhn]
–verb (used with object), verb (used without object)
to make or become tough or tougher.

Origin:
1575–85; tough + -en 1


tough⋅en⋅er, noun


harden, firm, strengthen, stiffen.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To toughener
tough·en   (tŭf'ən)   
tr. & intr.v.   tough·ened, tough·en·ing, tough·ens
To make or become tough. See Synonyms at harden.
tough'en·er n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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