toughened

tough·en

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

Origin:
1575–85; tough + -en1

tough·en·er, noun


harden, firm, strengthen, stiffen.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
toughen (ˈtʌfən) [Click for IPA pronunciation guide]
 
vb
to make or become tough or tougher

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Toughened is always a great word to know.
So is quincunx. Does it mean:
a chattering or flighty, light-headed person.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
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