• WordNet 3.6
    • v tighten narrow or limit "reduce the influx of foreigners"
    • v tighten restrict "Tighten the rules","stiffen the regulations"
    • v tighten become tight or tighter "The rope tightened"
    • v tighten make tight or tighter "Tighten the wire"
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: In Shakespeare's time, mattresses were secured on bed frames by ropes when you pulled on the ropes the mattress tightened, making the bed firmer to sleep on. That's where the phrase, "goodnight, sleep tight" came from.
    • v. t Tighten To draw tighter; to straiten; to make more close in any manner. "Just where I please, with tightened rein
      I'll urge thee round the dusty plain."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The phrase "sleep tight" originated when mattresses were set upon ropes woven through the bed frame. To remedy sagging ropes, one would use a bed key to tighten the rope.
    • tighten To make tight; draw tighter; straiten; make more close in any manner; constrict.
    • tighten To become tight; be drawn tighter.
    • ***
Chambers's Twentieth Century Dictionary
    • v.t Tighten to make tight or tighter: to straiten
    • ***


Tighten your belt - If you have to tighten your belt, you have to economise.


Chambers's Twentieth Century Dictionary
Scand., Ice. þéitr; cf. Dan. tæt, Dut. digt, Ger. dicht.


In literature:

He slid a hand over her lips and tightened his hold.
"The Heart of the Desert" by Honoré Willsie Morrow
He had ridden the fence and tightened one or two loose wires.
"Skyrider" by B. M. Bower
Ali was grinning and little Weeks tightened his weapon belt with a touch of swagger he had never shown before.
"Plague Ship" by Andre Norton
There is nothing left but to tighten the thumbscrews.
"The Sheriff's Son" by William MacLeod Raine
A sudden tightening of his lips accompanied the action and he ceased to revolve the cartridge he held.
"The Iron Furrow" by George C. Shedd
Should the switch fit loosely it may be easily tightened by a small wedge driven in beside it.
"Camp Life in the Woods and the Tricks of Trapping and Trap Making" by William Hamilton Gibson
Her arms tightened around his neck while her eyes opened for a second.
"A Little Florida Lady" by Dorothy C. Paine
Her grip of me tightened.
"The Ghost" by Arnold Bennett
Without knowing exactly why, Quest's fingers tightened on the butt of his weapon.
"The Black Box" by E. Phillips Oppenheim
In that same moment he saw the Missioner's hand tighten, and the fingers knot themselves curiously and then slowly relax.
"The Courage of Marge O'Doone" by James Oliver Curwood
Would then tighten down on steam chest cover and proceed.
"The Traveling Engineers' Association" by Anonymous
Horace felt his throat tighten: for any emotion in this girl affected him strangely.
"From the Valley of the Missing" by Grace Miller White
This pemitted the occupant to tighten the cord when it became loosened.
"Slave Narratives: A Folk History of Slavery in the United States From Interviews with Former Slaves" by Work Projects Administration
Again Romeo growled deeply, and she tightened her hold upon him.
"The Swindler and Other Stories" by Ethel M. Dell
His arms tightened about the body of the little dog so that it screamed with pain.
"The Best Short Stories of 1921 and the Yearbook of the American Short Story" by Various
Blue stopped the instant the rope tightened on his neck.
"The Settling of the Sage" by Hal G. Evarts
His grasp tightened on flesh, fingers closed about thin wrists.
"Key Out of Time" by Andre Alice Norton
She felt a tightening of the throat.
"Brand Blotters" by William MacLeod Raine
Old Valentine Simmons' lips tightened, his fingers twitched; he turned his back deliberately upon Gordon.
"Mountain Blood" by Joseph Hergesheimer
She saw Jim's face tighten, as it had tightened every time she had broached the subject.
"Colorado Jim" by George Goodchild

In poetry:

Ye have travelled fast, ye have travelled far,
In the grip of a tightening tether,
Till ye find at the end ye must take for friend
The quick and their dead together.
"The Ballad of the Red Earl" by Rudyard Kipling
In tightening silence, they will search for sound;
Beneath the smother of the sky
Find tangled iron, as the first men found
Iron and more than mortal sinew in the ground.
"Ice Age" by Genevieve Taggard
Her face that the foam had whitened,
Her hands that were strong to strive,
Her eyes whence battle had lightened,
Over all was a drawn shroud tightened
To bind her asleep and alive.
"Perinde AC Cadaver" by Algernon Charles Swinburne
Ears full of throbbing, a babe awakens startled,
Sends a tiny whimper to the still gaunt room.
Arms of the mother tighten round it gently,
Deaf to the patter in the far-flung gloom.
"Marching Streets" by F Scott Fitzgerald
Holds her painting. Oh the creature
Oh the wicked virile thing
With its skin of fleck and shadow
Stretching tightening over him. Wild yet caputured wild yet caputured
By the painter, Joan is quite enraptured.
"Deeply Morbid" by Stevie Smith
But every arm is half unnerved—
Each rider in the onset swerved—
Rein half-tightened, lance half-thrust,
A palsy on the battle's lust,
For still each beating breast about
Is wound the web: "I doubt! I doubt!"
"The Battle-Day, Or, The Lost Army" by Ernest Jones

In news:

The slumping economy is forcing the city to tighten it's "budget" belt.
It's one of the simplest, yet most effective ways to tighten your tummy.
In MF's review of the VTL amp, he mentions not tightening individual screws fully until all are seated.
THREE years of falling share prices might have been expected to force households to tighten their belts.
Crowdfunding site Kickstarter surprised its users late last week with a new set of policies tightening the rules on hardware makers.
Belt-tightening is required by all, including government.
Virginia is considering tightening its control over fox penning .
Unfunded liability of pension funds tightens its grip around Oregon.
T he economy and tightened budgets have impacted facilities across the country, particularly hospitals and university campuses.
Not far into the future, these days of $4 gasoline, ever-tightening auto regulations and rising car prices will be called "the good old days.".
European Consumers Tighten Their Belts.
Time to Tighten up Your Belt.
Tucson News NowUAE tightens laws on political activism on web.
Ottawa tightens mortgage rules as authorities adjust to worsening world economic threat.
Isle of Wight schools advised to tighten belt.

In science:

This bound further tightens by a factor of 1/2 once the neutrino flavor oscillation effects are taken into account (see later).
Some aspects of neutrino astrophysics
Current measurements are approaching the level of tightening bounds on the CP-violating phase γ .
P and CP violation in B physics
The bounds could be tightened using localization, moments of the distribution, etc.
A Kernel Method for the Two-Sample Problem
The rejection can be further improved by tightening the cut which defines the presence of a rapidity gap (e.g. 30 GeV instead of 50 GeV) and also by using other exclusivity conditions related for instance to the number of tracks.
Associated W and Higgs boson photoproduction and other electroweak photon induced processes at the LHC
The constraints can be tightened if one is willing to use theoretical input on the values of R and/or δ .
Averages of b-hadron and c-hadron Properties at the End of 2007
Repeated frequency measurements of some atomic transitions allowed to tighten the upper limit for the variation of frequency ratios.
Testing the Stability of the Fine Structure Constant in the Laboratory
These restrictions will be tightened as more data are analyzed, and additional exposures with Chandra and XMM-Newton become available.
The Progenitors of Type Ia Supernovae: Are They Supersoft Sources?
Another way to tighten the analysis, and protect the signal even further from the DPI component is to increase the jet transverse momentum threshold.
THE TOOLS AND MONTE CARLO WORKING GROUP Summary Report from the Les Houches 2009 Workshop on TeV Colliders
T of the fourth jet in the event after that both lepton isolation conditions and jet thresholds have been tightened.
THE TOOLS AND MONTE CARLO WORKING GROUP Summary Report from the Les Houches 2009 Workshop on TeV Colliders
The main remaining open problem is to tighten the bounds on the quantum query complexity for the unknown-unknown case.
New Results on Quantum Property Testing
Further tightening of the uncertainty would increase the impact of this result even more.
Comparative tests of isospin-symmetry-breaking corrections to superallowed 0+-to-0+ nuclear beta decay
This can be tightened by observing that for levels close to the root, there may be fewer than n nodes.
Differentially Private Publication of Sparse Data
As noted above, this is exactly 1 for flat models and is always < 1 for open models, so open models always tighten the speed trap.
A cosmic speed-trap: a gravity-independent test of cosmic acceleration using baryon acoustic oscillations
Perspectives Our next task is clearly to tighten the link with CCS.
Innocent strategies as presheaves and interactive equivalences for CCS (expanded version)
For this reason, we have continued our work to tabulate and tighten composite knots.
The Shapes of Tight Composite Knots