Toughen
['tʌfn]
Definition
(verb.) make tough or tougher; 'This experience will toughen her'.
Checked by Jo--From WordNet
Definition
(v. i. & t.) To grow or make tough, or tougher.
Editor: Wallace
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['tʌfn]
(verb.) make tough or tougher; 'This experience will toughen her'.
Checked by Jo--From WordNet
(v. i. & t.) To grow or make tough, or tougher.
Editor: Wallace