TIGHTEN
tighten
Verb
- To make tighter.- Please tighten that screw a quarter-turn.
 
- To become tighter.- That joint is tightening as the wood dries.
 
- To make money harder to borrow or obtain.- If the government doesn't tighten the money supply, inflation is certain to be harsh.
 
- To raise short-term interest rates.- The Fed is expected to tighten by a quarter-point.
 
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