verb (used with or without object)
Words nearby tighten
OTHER WORDS FROM tighten
Examples from the Web for tightened
Earlier this year, security at major airports was tightened because of a tip that al-Asiri had been working on a cell phone bomb.A Gift to the Jihadis: The Unseen Airport Security Threat|Clive Irving|December 27, 2014|DAILY BEAST
Perhaps encouraged by such accommodative silence, China has tightened its grip over Tibet.
In July 2013, the U.S. and the European Union tightened loopholes on a ban on gold exports to Iran.Turkey And Iran Accused Of Oil-For-Cash Sanctions Scheme|Jamie Dettmer|December 28, 2013|DAILY BEAST
When Hayei Sarah is read, these restrictions are often tightened, taking away more rights to make room for the festival weekend.
The lap band also requires multiple follow-up visits so that it can be tightened as patients adjust to eating smaller portions.Chris Christie’s Weight Loss: The Lap-Band Procedure Explained|Lizzie Crocker|May 8, 2013|DAILY BEAST
The thumb-screw a being loosened, the compass legs may be rudely adjusted for distance apart, and a is then tightened.Modern Machine-Shop Practice, Volumes I and II|Joshua Rose
Mr. Dootleby threw open his coat, tightened his grasp on his walking-stick, and said, very quietly: "What are you doing?"Tin-Types Taken in the Streets of New York|Lemuel Ely Quigg
With corn and peas, it is better to have the water deep enough to cover the jars, for boiling after tops are tightened.The Laurel Health Cookery|Evora Bucknum Perkins
She dropped her eyes and tightened her fingers around the shining drinking cup.While Caroline Was Growing|Josephine Daskam Bacon
The muscles of Toms throat had tightened until he felt as though he was choking.Within the Capes|Howard Pyle