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Toughen
//ˈtʌfən// verb
Definitions
Verb
- 1 To make tough. transitive
"The new training program is designed to toughen the athletes."
- 2 make tough or tougher wordnet
- 3 To become tough. intransitive
Etymology
From tough + -en.
See also for "toughen"
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Unscramble this word: toughen