Lock

Quick meaning: Lock is a noun meaning Something used for fastening, which can only be opened with a key or combination.

Meaning

Something used for fastening, which can only be opened with a key or combination.

More Meanings

1. (computing, by extension) A mutex or other token restricting access to a resource.
2. A segment of a canal or other navigable waterway enclosed by gates, used for raising and lowering boats between levels.
3. (firearms) The firing mechanism.
4. Complete control over a situation.
5. Something sure to be a success.
6. (gambling) Synonym of Dutch book.
7. (rugby) A player in the scrum behind the front row, usually the tallest members of the team.

Example Sentences

Brian thinks she's a lock to get a scholarship somewhere.

Here the canal came to a check, ending abruptly with a large lock.

Even though he had not yet done so, Jack felt he had a lock on the game.

"I never saw such a gun in my life," replied poor Winkle, looking at the lock, as if that would do any good.

Word Forms

• locks
• locking
• locked
• locken

Synonyms for lock

Depending on context, synonyms include braid, lace, twine, betwine, entwist, entwine.

Antonyms for lock

Common opposites include unlock, withdraw, disengage.

Related Words

Related dictionary entries include interlock, lock in, mesh, interlace, whorl, curl.

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