verb (used with object)
verb (used without object)
- to commit unalterably: to lock in the nomination of the party's candidates.
- (of an investor) to be unable or unwilling to sell or shift securities.
- to keep out by or as if by a lock.
- to subject (employees) to a lockout.
- to imprison for a crime.
- Printing. to make (type) immovable in a chase by securing the quoins.
- to fasten or secure with a lock or locks.
- to lock the doors of a house, automobile, etc.
- to fasten or fix firmly, as by engaging parts.
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Idioms for lock
Origin of lock1
OTHER WORDS FROM locklockless, adjectiveself-locking, adjectivewell-locked, adjective
Words nearby lock
Definition for lock (2 of 2)
- the hair of the head.
- short wool of inferior quality, as that obtained in small clumps from the legs.
Origin of lock2
Example sentences from the Web for lock
On top of that we run what’s called the dynamic paywall, which is a lock on stories regardless of their content category, but based more on your habits on the Daily Beast.Media Briefing: Media companies’ DE&I follow-throughs fall short|Tim Peterson|February 4, 2021|Digiday
These small compounds lock into place with water molecules, like a key in a lock, to prevent ice from forming.Fish blood could hold the answer to safer de-icing solutions during snowstorms|By Monika Bleszynski/The Conversation|February 1, 2021|Popular Science
There, the chemicals fit like a key into receptors — molecules that are like locks.
Ceramic dryers can increase volume and reduce dryness in thin, fine hair, but might leave something to be desired for those with fuller locks.The best hair dryer: Get a salon-worthy blowout at home|Carsen Joenk|January 22, 2021|Popular Science
On top of those functions, it’s equipped with a 30-minute keep warm setting, control lock, turbo defrost, and more.The best microwaves: This way for buttery popcorn and tempting leftovers|PopSci Commerce Team|January 22, 2021|Popular Science
While the desk sergeant ran a background check, he was roughed up by another officer in the lock-up.
“Now they will definitely lock Navalny in prison,” one of the women in the crowd said.
Who knew that a competition where you clutch the hand of another man and lock eyes across a table could be this damn gay.High-End Pervs Film Benedict Cumberbatch and Reese Witherspoon Sucking Face|Amy Zimmerman|December 11, 2014|DAILY BEAST
In many ways, she seems a lock for the win, but her atheism puts her entire character in question.The Good Wife’s Religion Politics: Voters Have No Faith in Alicia's Atheism|Regina Lizik|November 24, 2014|DAILY BEAST
Charges were eventually dropped against them, in part because two had lock-solid alibis.
The place was used as a lock-up for some time after the incorporation, and the old irons were kept on show for years.Showell's Dictionary of Birmingham|Thomas T. Harman and Walter Showell
I do not know—I do not dare to believe—that I shall live to hear that key grating in the lock.The Salvaging Of Civilisation|H. G. (Herbert George) Wells
Another manner of punishment consists in making them wear a tin mask, which is fastened with a lock behind.A Woman's Journey Round the World|Ida Pfeiffer
The launch was already under way, and young Cargill trying to avoid it better, thrust with his boat-hook at the side of the lock.Uncanny Tales|Various
He turned into the right number, as he thought, but upon trying to insert the key in the lock he found that he had made a mistake.The Homesteader|Oscar Micheaux
British Dictionary definitions for lock (1 of 2)
- a section of a canal or river that may be closed off by gates to control the water level and the raising and lowering of vessels that pass through it
- (as modifier)a lock gate
Derived forms of locklockable, adjective
Word Origin for lock
British Dictionary definitions for lock (2 of 2)
Word Origin for lock
Idioms and Phrases with lock
In addition to the idioms beginning with lock
- lock horns
- lock in
- lock out
- lock the barn door after the horse has bolted
- lock up
- under lock and key