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tr. & intr.v. tough·ened, tough·en·ing, tough·ens
To make or become tough. See Synonyms at harden.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Adj.||1.||toughened - physically toughened; "the tough bottoms of his feet"|
rugged - sturdy and strong in constitution or construction; enduring; "with a house full of boys you have to have rugged furniture"
experienced, experient - having experience; having knowledge or skill from observation or participation
strong - having strength or power greater than average or expected; "a strong radio signal"; "strong medicine"; "a strong man"
|2.||toughened - made hard or flexible or resilient especially by heat treatment; "a sword of tempered steel"; "tempered glass"|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
toughened[ˈtʌfnd] ADJ [material] → endurecido
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005