toughen
English
Etymology
Pronunciation
Verb
toughen (third-person singular simple present toughens, present participle toughening, simple past and past participle toughened)
- (transitive) To make tough.
- (intransitive) To become tough.
Translations
to make tougher
|
to become tougher
|
Anagrams
German
Adjective
toughen