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Showing results for lock.
Definitions

lock

[lok] / lɒk /
NOUN
device that fastens and bars free passage
Synonyms
STRONGEST
bolt grip latch
STRONG
bar bond catch clamp clasp clinch connection fastening fixture grapple hasp hook junction link padlock
Antonyms
STRONGEST
key
VERB
fasten, clasp
Synonyms
STRONGEST
close engage join press seal shut
STRONG
bar bolt button clench clutch embrace encircle enclose entwine grapple grasp hug latch link mesh secure unite
WEAK
button up turn the key
Antonyms
STRONGEST
disjoin open release unseal
STRONG
divide let go loose loosen separate unfasten unlock unloose
WEAK
unclasp

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He had two clients lock in a 6.1% mortgage rate in December.

From Los Angeles Times • Apr. 15, 2026

Scrum-half Lucy Packer, who played second fiddle to Hunt during the World Cup, looked lively throughout, while 22-year-old lock Lilli Ives Campion also stepped up in the line-out.

From BBC • Apr. 11, 2026

And instead, they’ve been more inclined to sell stocks when the market rebounds as a way to lock in profits.

From MarketWatch • Apr. 9, 2026

The NFL is seeking to reopen its deals with networks to lock in higher rates.

From The Wall Street Journal • Apr. 9, 2026

I fumbled with the lock and drew the door gingerly back.

From "The Hiding Place" by Corrie ten Boom

Vocabulary lists containing lock

Chapter 11: Growth and Expansion

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!