Definition of "Tighten" :
verb: narrow or limit
verb: severely restrict in scope or extent
"Tighten the rules."
verb: become tight or tighter
"The rope tightened."
verb: make tight or tighter
"Tighten the wire."
verb: narrow or limit
verb: severely restrict in scope or extent
"Tighten the rules."
verb: become tight or tighter
"The rope tightened."
verb: make tight or tighter
"Tighten the wire."