Definition of unscrew in English:



  • 1(with reference to a lid or other object held in place by a spiral thread) unfasten or be unfastened by twisting.

    [with object] ‘Will unscrewed the cap from a metal flask’
    [no object] ‘the spout usually unscrews or lifts off easily’
    • ‘He then attempted to unscrew the lower part of the projectile, and when he found he could not open it, he started banging it on the long bench that he and his friends were sitting on.’
    • ‘The T-handle and second head portion unscrews from the rest of the pump to reveal a CO2 inflator complete with a threaded 16-gram cartridge and button for regulating air flow.’
    • ‘But isn't it always the case, that while one tap body will unscrew nicely, the other (the hot tap and main culprit) was jammed in there tight!’
    • ‘Anyone who has ever cleaned a blender should understand that the base easily unscrews and the tines come out.’
    • ‘The saving grace here is that the two rear 80 mm fans are quick release, I did not have to unscrew or remove 4 plastic clips to remove and replace the fan.’
    • ‘There is simply no excuse for $500 guns not extracting a spent shell, or a $900 gun whose barrel unscrews.’
    • ‘He tried unscrewing something else and created a loud bang and flash at which point he gave up.’
    • ‘In Missouri state employees were unscrewing every third light bulb to cut energy bills.’
    • ‘Be sure to remove and clean the magazine cap nut, Parcus said; unused over long periods, it often corrodes and becomes impossible to unscrew.’
    • ‘On top is the filling cap, which simply unscrews allowing you to fill up with the supplied bottle, although you will need to go buy some distilled water.’
    • ‘I find it a wee bit surprising, given their obviously low estimation of consumer intelligence, that there is no indication whatsoever of in which direction the cap should be unscrewed.’
    • ‘The top of the battery unscrews so you can push extra cord down in the battery casing, so it isn't flopping around getting in the way.’
    • ‘Usually they just unscrew and then you can put it back on when you want to use it.’
    • ‘When in transit, the legs unscrewed and were stored in one of the locking drawers.’
    • ‘If your socket is brown Bakelite plastic, it will normally unscrew into 2 halves.’
    • ‘The three daisies that comprise the chatelaine can be unscrewed and each fastened onto a pin to wear as a brooch.’
    • ‘A little door on the copter popped open, and a gas cap unscrewed itself.’
    • ‘The gunman quickly unscrewed the silencer and started to disassemble the gun.’
    • ‘Build the house so that the top lifts off or unscrews for easy cleaning.’
    • ‘You will have to build another rim onto that hub (just using the left side should be enough) so that you can twist the hub hard enough to unscrew the freewheel.’
    1. 1.1[with object]Detach, open, or slacken (something) by removing or loosening the screws holding it in place.
      ‘he unscrewed the number plates from his old Renault’
      • ‘One day, when I knew she would be out of the house for hours, I unscrewed my door handle, took it to a locksmith and had keys cut for it so I could lock it when I wasn't there.’
      • ‘Panels of the fibre-glass shell could be unscrewed and lifted off allowing access to the inside wall of the plane's cargo hold.’
      • ‘He removed a small electric screwdriver from the case and unscrewed the radio.’
      • ‘Remove all doors by unscrewing the hinges from the cabinet.’
      • ‘I quickly unscrewed the bolts and opened the sewage drain.’
      • ‘To unscrew the casing is to throw open such a Pandora's Box of nuts and springs, axles, ratchets and governors as to confound all attempts to recapture them.’
      • ‘On the new vanity, remove all drawers and take off the doors by unscrewing the hinges from the cabinet.’
      • ‘This involved unscrewing the kitchen units and taking them apart.’
      • ‘Well, they couldn't get it open, so they tried to unscrew the hinges on the door.’
      • ‘The thieves either unscrew or simply rip the number plates from the cars while they are parked in drives, on streets or in car parks.’
      • ‘Once inside they unscrewed four projectors hung from the ceiling and took four laptop computers and a digital camera, worth a total of £5,050, before leaving by the main entrance.’
      • ‘Her going caused the most upheaval, however, as she unscrewed the kitchen sink, rolled up the carpets and peeled off the wallpaper.’
      • ‘The bolts seemed easy enough to unscrew, although the top bolt would require a stool or something to reach.’
      • ‘The ventilation duct had been unscrewed and thrown to one side, exposing the metal interior.’
      • ‘Silently thankful that she didn't have to unscrew the thing to open it, she swung it open by its hinges.’
      • ‘Would-be burglars climbed on to the flat roof of the church and unscrewed the plastic skylight cover.’
      • ‘Also remove all outlet covers and unscrew the devices, and install frames that will extend wiring boxes to the face of the paneling.’
      • ‘Lower cabinets are often attached to the wall at the top and can be unscrewed or pried loose.’
      • ‘Yet for some strange reason that I simply couldn't comprehend, he was distinctly unwilling to start unscrewing the doors from their hinges.’
      • ‘Do this in the off season by closing the shutoff valve, unscrewing the old vent, and screwing in the new one.’