tighten
//ˈtaɪ.tən//
Verb
tightenInfinitive
tightenPresent tense
tightenedPast tense
tightenedPast participle
tighteningPresent participle
tightensThird-person singular
1
To make something tight or tighter by turning, pulling, or adjusting it.
He tightened the screws on the door handle.
2
To become tight or tighter.
Her chest tightened with anxiety.
3
To make rules, controls, or security measures more strict or severe.
The government decided to tighten security at airports.
4
To make muscles or body parts become tense or rigid.
She tightened her muscles before lifting the heavy box.