harden up (English, verb)
expansion: harden up (third-person singular simple present hardens up, present participle hardening up, simple past and past participle hardened up)
Senses:
topics: nautical
transport
glosses: To tighten up a sailboat's sheets in order to prevent luffing.
tags: UK
glosses: To become or make (something, someone) hard, either literally or figuratively.
tags: informal
transitive
Forms:
form: hardens up
tags: present
singular
third-person
form: hardening up
tags: participle
present
form: hardened up
tags: participle
past
form: hardened up
tags: past