Definition of hardened in US English:



  • 1Having become or been made hard or harder.

    ‘hardened steel’
    • ‘Eventually some of the water, that which has not reacted chemically with the cement, evaporates into the air but some of it remains in the hardened concrete.’
    • ‘If the bleed water gets finished back in, the hardened concrete surface may be weak, porous, and vulnerable to abrasion and salt scaling.’
    • ‘On the practical side, dried and hardened wax provides a measure of physical protection to the finish.’
    • ‘When they are cool and the wax is hardened, place the cones in a basket and add a colorful ribbon bow to the handle.’
    • ‘Bonnie informed him that the muscular arm of their wings formed a hardened scale, dense enough to cut flesh and metal alike.’
    • ‘But the best place to test for air is where the results would most closely reflect the air-void content in the hardened concrete.’
    • ‘The nail plate, which is dead, compacted and hardened keratin, is the visible part of the nail that you polish, and the nail bed is the skin beneath it.’
    • ‘The benefits of SCC include primarily its workability in the plastic state, rather than enhanced properties in the hardened state.’
    • ‘The design engineer should be establishing the requirements for the hardened concrete and leave the mixture proportioning to the producers.’
    • ‘A mouthpiece is made for the instrument of gum or hardened wax.’
    • ‘More than once, someone working on the hardened deck concrete would step into the still plastic concrete over the columns.’
    • ‘First the hardened concrete is saturated with Back-Set, either with a brush or by spraying.’
    • ‘It was still hard, but the hardened clay came off a little.’
    • ‘The same mix characteristics that make it hard for water to penetrate into the hardened concrete make it tough for the bleed water to get out.’
    • ‘She handed them a bundle of letters, all prettily made up in fancy paper, sealed with a flourished hardened wax stamp.’
    • ‘Superman has been known to leave his fingerprints in steel and in hardened concrete, accidentally.’
    • ‘Matt froze like hardened lava when the man turned to him.’
    • ‘This hardened infrastructure costs millions of dollars and can consume a considerable amount of space.’
    • ‘Finally, almost absentmindedly, she picked it up and gingerly ran her finger under the hardened wax sealing on the back.’
    • ‘What matters most are these characteristics in the hardened concrete - not in the fresh concrete.’
    firm, solid, dense, rigid, stiff, resistant, unbreakable, inflexible, unpliable, impenetrable, unyielding, solidified, compact, compacted, steely, tough, strong, stony, rock-like, flinty, close-packed, compressed, as hard as iron, as hard as stone
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    1. 1.1 Strengthened or made secure against attack, especially by nuclear weapons.
      ‘the silos are hardened against air attack’
      • ‘It has a welded tubular steel frame; hardened steel gears and clutches for traction, and the wing and rear mowers.’
      • ‘Better ones have a hardened steel pin with the beveled latch.’
      • ‘For firms specializing in hardened buildings, the peace dividend has been negative.’
      • ‘Nozzles can be made from several materials, including brass, nylon, stainless steel, hardened stainless steel and ceramic.’
      • ‘In addition to the bollards, the exterior concrete wall has been hardened and the windows have been designed to resist blast loads.’
      • ‘The six-strong crew inside them is surrounded by timber and plywood and not the hardened steel cabs in modern fire engines.’
      • ‘In order to improve the ductility and toughness of hardened steel, it is reheated for a relatively short time at the moderate temperature.’
      • ‘These are shaped to the desired contours and are usually made of hardened tool steel ground and lapped to a mirror finish.’
      • ‘Watching these machines turn a block of hardened steel into a Dakota Arms rifle receiver is an incredible experience.’
      • ‘The trigger housing is machined from a block of aluminum, with the trigger and sear components made of hardened steel, hand fitted for proper operation.’
      • ‘High-security hasps have anchored eyebolts, pinless hinges, hardened steel anchoring loops and hidden screws.’
      • ‘The crankshaft is forged steel and induction hardened.’
      • ‘Safe-like vault doors pre-hung on hardened steel frames are readily available from the major safe manufacturers.’
      • ‘His fixed-blade knives are strong by design, using full tang construction and properly hardened steel.’
      • ‘This is true of highly hardened aluminum alloys as well as titanium alloys and hardened steels.’
      • ‘The resistance to atmospheric corrosion is improved and copper steels can be temper hardened.’
      • ‘The Delrin body is nicely knurled for a good grip, but both the punch and nut driver are hardened steel.’
      • ‘A third arm and fingers of hardened steel will help here, until the little tabs bed in a bit.’
      • ‘Some confusion arises as to the nomenclature of micro-constituents found in hardened and tempered steels.’
      • ‘Installing thick, hardened glass in a steel frame can effectively disperse blast pressure from the glass to the frame to the walls.’
      • ‘Artillery barrels are made of extremely strong hardened steel so that they can withstand the repeated blasts of artillery shells when they are fired.’
      • ‘Machining this tough hardened steel is more time-consuming and difficult, but it allows parts to be machined to very tight tolerances.’
      • ‘This 11 mm hardened steel, double-locking padlock has 100,000 key variations and a lifetime guarantee.’
      • ‘It is made with A514 steel and hardened bushings and requires no additional hydraulics.’
      • ‘No steel can be hardened without the refiner's fire.’
      strengthened, fortified, reinforced, toughened, thickened
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  • 2attributive Experienced in a particular job or activity and therefore not easily upset by its more unpleasant aspects.

    ‘hardened police officers’
    in combination ‘a battle-hardened veteran’
    • ‘Some, like Baby Doc Campbell, have been hardened by their experience.’
    • ‘Their leaders were hardened experts who knew how to accomplish any task - and would get it done no matter what.’
    • ‘He was a sensible boy - his childish demeanour had been hardened by cruel experience.’
    • ‘The hardened professionals were back in the region competing in a challenge match in Blackburn.’
    • ‘Firstly, how can the Scots hope to compete with England's hardened professionals nine months hence if they can't even beat a bunch of amateurs from Blighty and Clogland?’
    • ‘Alan Sheriff is an outsider: his poet's soul has been hardened by loss and experience, but his wry sense of the absurd saves him from insanity.’
    • ‘They are seasoned, hardened competitors who usually leave rivals licking their wounds.’
    • ‘The hardened and experienced legionnaires were at the rear.’
    • ‘But I am a hardened, experienced and seasoned reporter and I have been around long enough not to be taken in by appearances.’
    • ‘A player with limited tournament experience will beat a hardened pro if he is dealt good cards and plays them competently.’
    • ‘Experienced, hardened convicts would plan for this by taking newcomers with them.’
    • ‘‘We might not have any superstars, but our current team has plenty of hardened experience’, explains secretary John Downie.’
    • ‘The experiences kind of hardened us against the club, and it is actually only in the last week, with what has happened to them, that our members have been discussing them.’
    • ‘Initially the most sensitive about the nature of the mission, Avner becomes hardened by the experience.’
    • ‘It is a battle hardened, experienced group that's going and they'll do a very good job, I'm sure.’
    • ‘These individuals are getting hardened trained experience in a battle zone.’
    • ‘I had hoped that we would be spared what happened here tonight until you all had been hardened by more experience.’
    • ‘Experienced sportsmen become hardened and learn to deal with this sort of thing.’
    • ‘Building workers with no experience are taken on for low wages, while hardened professionals watch impotently.’
    • ‘With a World Cup and European Championship under the belt they have battle hardened experience but their key players aren't too old.’
    inured, desensitized, deadened, accustomed, habituated, acclimatized, used
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    1. 2.1 Utterly fixed in a habit or way of life seen as bad.
      ‘hardened criminals’
      ‘a hardened liar’
      • ‘Even a hardened criminal may repent if given a second chance.’
      • ‘The fact the boys at the centre of the brouhaha confessed is evidence, too, that they're not hardened criminals.’
      • ‘You were forced to come away from the drama and conclude that while detention works for some, it only makes others into hardened career criminals.’
      • ‘I am very concerned that our schools are already graduating hardened criminals.’
      • ‘Regis seemed to go out of his way to dispel rumors that all who live at Wilton's Yard are hardened criminals.’
      • ‘Wouldn't you rather have people like this coming out into society instead of hardened criminals?’
      • ‘Well, I don't think that threatening to kill them and carrying out the deed is going to affect most hardened criminals much.’
      • ‘Our overcrowded jails is another avenue through which petty crooks graduate to hardened criminals.’
      • ‘A fascinating study, carried out recently in America, looked at a group of men who seemed destined to become hardened criminals.’
      • ‘Judges are likely to give them lighter sentences, thinking them first- or second-time offenders instead of hardened criminals.’
      • ‘If he was such a hardened criminal, why did he leave the only woman who could identify him as being in the country alive?’
      • ‘This was especially so in a penal colony where many of the convicts were hardened criminals and many of the free settlers were themselves ex-convicts and impulsive men.’
      • ‘Whether the combination would work on hardened criminals is problematic, but much depends on how the two techniques are used.’
      • ‘And we're dealing with a real hardened criminal that's violated, I believe, just about every international law.’
      • ‘We did run into a few scary guys, but with the majority of them it was almost impossible to see them as hardened criminals.’
      • ‘This would also allow the opportunity to save these young people from becoming hardened criminals, as is likely to be the case if they were placed among the general prison population.’
      • ‘The emotional life sentence now facing Cable is one that may convince other witnesses to be wary of taking on known, hardened criminals.’
      • ‘This nation, once proud to offer a safe haven, now routinely locks asylum seekers up alongside hardened criminals.’
      • ‘A firm nexus has been established between amoral politicians, ambitious bureaucrats, unscrupulous businessmen and hardened criminals.’
      • ‘I knew that if I went away, I would become a hardened criminal.’
      inveterate, seasoned, habitual, chronic, compulsive, confirmed, accustomed, dyed-in-the-wool
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