Difference between Tightening and Tough

TIGHTENING vs TOUGH: NOUN

A cruel and brutal fellow
Someone who learned to fight in the streets rather than being formally trained in the sport of boxing
An aggressive and violent young criminal
A violent or rowdy person; a hoodlum or thug.
A rough; a bully; an incorrigibly vicious fellow; a bad character.
A person who is tough{7}; a ruffian; a thug.
A person who obtains things by force; a thug or bully.

Physically toughened
Making great mental demands; hard to comprehend or solve or believe
Violent and lawless
Feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad')
Fine; great.
Unfortunate; too bad.
Difficult to deal with; demanding or troubling.
Trying or unpleasant.
Difficult to endure; severe; harsh.
Inclined to violent or disruptive behavior; rowdy or rough.
Aggressive; pugnacious.
Strong-minded; resolute.
Physically hardy; rugged.
Hard to cut or chew.
Able to withstand great strain without tearing or breaking; strong and resilient.
Substantially made or constructed
Unfortunate or hard to bear
Not given to gentleness or sentimentality
Undergoing plastic deformation before breaking.
Difficult or demanding.
Rowdy or rough.
Harsh or severe.
Stubborn.
Rugged or physically hardy.
Difficult to cut or chew.
Strong and resilient; sturdy.
To make it a matter of difficulty; to make it a hard matter.
Prone to aggressive or violent behavior; rowdyish; -- of people, or groups.
Difficult to do, perform, or accomplish.
Severe; violent.
Stiff; rigid; not flexible; stubborn.
Not easily separated; viscous; clammy; tenacious.
Not easily broken; able to endure hardship; firm; strong; -- of objects and people.
Having the quality of flexibility without brittleness; yielding to force without breaking; capable of resisting great strain.
Very difficult; severely testing stamina or resolution
Tough to cut or chew

Having the property of flexibility without brittleness; yielding to a bending force without breaking; also, hard to cut or sever, as with a cutting-instrument: as, tough meat.
Firm; strong; able to endure hardship, hard work, or ill usage; hardy; not easily broken or impaired.
Not easily separated; tenacious; stiff; ropy; viscous: as, a tough clay; tough phlegm.
Not easily influenced; unyielding; stubborn; hardened; incorrigible.
Hard to manage or accomplish; difficult; trying; requiring great or continued effort.
Severe; violent: as, a tough rebuke or tirade; a tough storm.
Making great mental demands
Resistant to cutting or chewing
Very difficult
(idiom) (that's tough) Used to indicate recalcitrance or noncompliance with a complaint or demand.
(idiom) (tough it out) To get through despite hardship; endure.

Squeeze, Tightness, Stringency, Unwinding, Clamping, Contraction, Narrowing, Squeezing, Constriction, Strengthening, Hardening, Worsening, Tight, Stricter, Toughening

Unsentimental, Violent, Calloused, Sturdy, Pugnacious, Hardened, Rowdy, Bully, Rugged, Uncomfortable, Toughened, Toughie, Bad, Hard, Difficult

Restricting, Clamp, Deflation, Intensification, Squeeze, Tightness, Unwinding, Contraction, Narrowing, Squeezing, Constriction, Strengthening, Worsening, Tight, Stricter

Gristly, Unsentimental, Violent, Calloused, Sturdy, Pugnacious, Hardened, Rowdy, Bully, Rugged, Uncomfortable, Toughened, Bad, Hard, Difficult

Then the tightening angle is from this elastic origin to the point where tightening was stopped in the elastic region.
It is characterized by robust economic growth, tightening labor and product markets, intensifying wage and price pressures, monetary tightening, and higher interest rates.
Outperformance in Fed tightening cycles: Agency MBS have fared well in past tightening cycles.
It is due to tightening of the posterior capsule combined with the tightening of biceps femoris and collateral ligaments.
Why is the untightening torque lower than the tightening torque when tightening a bolt or nut?
The Strivectin Tightening Body Cream was designed to serve as a deeply nourishing body moisturizer that offers smoothing, tightening and firming processes.
DLC cable TIGHTENING TORQUE SPECIFICATIONS Tightening torque Fastening parts.
It is important that whilst tightening lock nut, the compression fitting body is held stationary to avoid over tightening.
When tightening the two lock screws, tighten them snuggly and alternatively until fully tight, similar to tightening lug nuts on a vehicle.
Our Fibroblast Skin Tightening Treatment is for eyelid lifting and tightening, wrinkle reduction, neck tightening, upper lip wrinkles and scars.

Might be tough for a small order though.
This must be a tough time for you.
Diplomacy, especially under circumstances like these, is tough!
Recently I was going through a tough time.
WIld MUstangs and it must be tough fencing.
The girl was a tough one to find.
Probably tough to get a five star review and also tough to get a three star review.
Residue might be tough to get out, so you may have to hand scrub with a tough sponge.
It was tough, made you tough, cause you knew what to expect.
Going gets tough, the tough call the Iron Marines by purchasing this item you!