The phrase "a tightened" is correct and usable in written English.
It can be used to describe something that has been made tighter or more secure, often in a physical or metaphorical sense.
Example: "After the adjustments, the rope was a tightened loop, ensuring that the load was secure."
Alternatives: "a secured" or "a constricted".
What a difference a tightened race makes.
In July 1937, the Second Sino-Japanese War broke out, leading to a tightened censorship enforced by the state.
Clinton advisers said they were not concerned about polls showing some early signs of a tightened race for black support.
How do you demonstrate that a company's best-in-class compliance program — not a tightened labor market — enhanced employee engagement?
A photograph from about 1960 shows Madeline, her mouth pinched and puckered, her eyebrows drawn together in a tightened frown.
The difference was a tightened defense that limited all three knockout-stage opponents to under 40% shooting from the floor.
Then we propose a new design of so-called Butterfly lens with unequal tilt design aimed to serve a double-cluster LED but with a tightened size.
Qualitative NLDFT pore-size distribution analyses of physisorption isotherms (N2 at -196 oC; CO2 at 0 oC) reveal a tightened microstructure indicating size-sieving ultra-microporosity (<7 Å).
Our numencal results on stress distributions in a tightened gasket indicate that taper-seal gasket realizes highly stable seal pressure even under a lower tightening torque.
Since 2015 he has placed a new emphasis on patterned, polyrhythmic drumming, using a tightened-up approach and more explicitly melding the sounds of modern hip-hop with ancient, diasporic rhythms.
Featuring aloe and rye alcohol, it goes on lighter than a serum, absorbs almost on contact, and after the allotted 10 minutes, leaves skin with a tightened-up surface — an all-around friendlier canvas to work with when applying foundation.
