View synonyms for unscrew

unscrew

[ uhn-skroo ]

Phonetic (Standard)IPA

verb (used with object)

unscrew

/ ʌnˈskruː /

tr to draw or remove a screw from (an object)
tr to loosen (a screw, lid, etc) by rotating continuously, usually in an anticlockwise direction
intr (esp of an engaged threaded part) to become loosened or separated
the lid wouldn't unscrew

Origin of unscrew¹

First recorded in 1595–1605; un- ² + screw

To unscrew the cover, the tool is turned over and the handle turned in the opposite direction.

The cap should have a square nut for a wrench to tighten or unscrew the cap.

There was also a pistol-key to unscrew the pistol for the purpose of loading, and some sand-paper and a pistol-mould.

Sam Burkholder slouched over to the car and began to unscrew the radiator cap.

If split pins are used, be sure to see that they are used in such a way that the nut cannot possibly unscrew at all.

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