tighten up (English, verb)
expansion: tighten up (third-person singular simple present tightens up, present participle tightening up, simple past and past participle tightened up)
Senses:
glosses: To make sufficiently tight.
tags: transitive
glosses: To fix something or make it correct.
tags: transitive
glosses: To become tense and restrained.
tags: intransitive
glosses: To become stringent and ungenerous.
tags: intransitive
transitive
glosses: To become focused and serious; To stop any vacillation or inconsistency.
tags: intransitive
Forms:
form: tightens up
tags: present
singular
third-person
form: tightening up
tags: participle
present
form: tightened up
tags: participle
past
form: tightened up
tags: past