strengthen up (English, verb)
expansion: strengthen up (third-person singular simple present strengthens up, present participle strengthening up, simple past and past participle strengthened up)
Senses:
glosses: To become or make (something) stronger, tougher or more durable.
tags: intransitive
transitive
Forms:
form: strengthens up
tags: present
singular
third-person
form: strengthening up
tags: participle
present
form: strengthened up
tags: participle
past
form: strengthened up
tags: past