toughen up (English, verb)
expansion: toughen up (third-person singular simple present toughens up, present participle toughening up, simple past and past participle toughened up)
Senses:
glosses: To make or become mentally tougher.
tags: ambitransitive
idiomatic
Forms:
form: toughens up
tags: present
singular
third-person
form: toughening up
tags: participle
present
form: toughened up
tags: participle
past
form: toughened up
tags: past