interlock

verb

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

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

Examples of interlock in a Sentence

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.
The protesters allegedly formed a chain that obstructed the street by having their hands interlocked in a tub inside barrels and linking arms with each other. Colleen Cronin, Boston Herald, 8 June 2026 The narrative traces the dark, interlocking secrets exposed within an old apartment block after a young boy vanishes on the winter solstice. Naman Ramachandran, Variety, 8 June 2026 During the relaxed stroll, Turner had his arm wrapped around Lipa, with their fingers interlocked. Hannah Sacks, PEOPLE, 6 June 2026 The shoes are completed by a distinct interlocking CC logo on the side of the block heel. Karla Rodriguez, Footwear News, 5 June 2026 See All Example Sentences for interlock

Word History

First Known Use

1632, in the meaning defined at intransitive sense

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 11 Jun. 2026.

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

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