interlock

1 of 2

verb

in·​ter·​lock ˌin-tər-ˈläk How to pronounce interlock (audio)
interlocked; interlocking; interlocks

intransitive verb

: to become locked together or interconnected

transitive verb

1
: to lock together : unite
2
: to connect so that the motion or operation of any part is constrained by another

interlock

2 of 2

noun

in·​ter·​lock ˈin-tər-ˌläk How to pronounce interlock (audio)
1
: the quality, state, sense, or an instance of being interlocked
2
: an arrangement in which the operation of one part or mechanism automatically brings about or prevents the operation of another
a safety interlock
3
a
: a stretchable fabric made on a circular knitting machine and consisting of two ribbed fabrics joined by interlocking
b
: a garment made of interlock

Examples of interlock in a Sentence

Verb She interlocked her fingers with his.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
All four sides of the building are covered by a pattern of interlocking trapezoidal pieces that serve as a sunscreen, cooling the interior. Vinod Sreeharsha, Miami Herald, 6 Sep. 2025 The tracks interlock with other tracks—and with extramusical artifacts, headlines, and rumors—to build a larger story that makes each individual work more enjoyable. Spencer Kornhaber, The Atlantic, 4 Sep. 2025
Noun
Spearheaded by Assemblymember Cottie Petrie-Norris, D-Irvine, the bill extends California’s law that requires interlock initiation devices or breathalyzers for repeat DUI offenders and some first-time offenders. Kaitlyn Schallhorn, Oc Register, 18 Aug. 2025 According to court records, Drummond, a college football player at Oklahoma State University, was allowed to continue driving his personal car with an interlock device that prevents a vehicle from operating unless the driver provides a clean breath sample. Dale Denwalt, USA Today, 8 Aug. 2025 See All Example Sentences for interlock

Word History

First Known Use

Verb

1632, in the meaning defined at intransitive sense

Noun

1874, in the meaning defined at sense 1

Time Traveler
The first known use of interlock was in 1632

Browse Nearby Words

Cite this Entry

“Interlock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interlock. Accessed 6 Sep. 2025.

Kids Definition

interlock

verb
in·​ter·​lock
ˌint-ər-ˈläk
: to lock together : interlace firmly
a series of rings interlocking to form a chain

Legal Definition

interlock

intransitive verb
in·​ter·​lock ˌin-tər-ˈläk How to pronounce interlock (audio)
: to be or become mutually connected
also : to be consistent in regard to major elements
confessions that interlock

More from Merriam-Webster on interlock

Last Updated: - Updated example sentences
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