Translation guide
How to express 'tighten' in Japanese, covering physical fastening, making rules stricter, and tensing muscles.
To make something physically tighter by turning, pulling, or adjusting.
The most common verb for tightening screws, bolts, lids, belts, strings, etc. Transitive.
Please tighten the screw.
I tightened the jar lid firmly.
To pull tight, often used for strings, ropes, or abstract things like discipline. Implies pulling to tighten.
I tightened my shoelaces.
A general phrase meaning 'to make tight'. Can be used when the specific verb is unknown.
Please tighten this belt a little more.
To increase strictness or reduce leniency in regulations, security, or management.
To strengthen or tighten measures, security, regulations. Common in news and formal contexts.
The government tightened border security.
The company plans to tighten expense management.
To make stricter. More direct and less formal than 強化する.
There is a move to tighten school rules.
Used metaphorically to tighten discipline, budgets, or control. Implies pulling things together firmly.
To contract or tense muscles, or to make a body part firm.
Used for tightening muscles, especially the stomach or buttocks. Often in fitness contexts.
I'm doing exercises to tighten my abdominal muscles.
To tense or tighten muscles. More physiological term.
Don't tighten your shoulder muscles.
To put strength into a body part, effectively tightening it. Common in everyday speech.
To grasp something more firmly.
締める is the general verb for tightening (screws, lids, belts). 引き締める implies pulling to tighten, and is often used for strings, ropes, or abstract things like discipline and finances.
The loanword タイト (tight) is used for clothing fit or schedules, but not for the action of tightening. Use 締める or other verbs instead.
We need to tighten our finances.
Tighten your stomach.