tighten

To make or become tight or tighter.

To make tight; draw tighter; straiten; make more close in any manner; constrict.

To become tight; be drawn tighter.

To draw tighter; to straiten; to make more close in any manner.

a pulley which rests, or is forced, against a driving belt to tighten it.

To make tighter.

To become tighter.

To make money harder to borrow or obtain.

To raise short-term interest rates.

restrict