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Definition of interlock

interlock

/ˌɪntərˈlɑːk/
in · ter · lock

Plural:interlocks
•
Adjective:interlocking
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Past Simple:interlocked
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Past Participle:interlocked
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Present Participle:interlocking
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interlock Lexical Profile

interlock Game Scores & Validity

• verb

1

To engage or cause to engage with each other by overlapping or fitting together closely.

Example

"The wooden puzzle pieces interlock so precisely that no glue is needed to hold the model together."

Synonyms
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Antonyms
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• noun

1

A mechanical or electrical device or system designed to prevent a machine from operating under unsafe conditions or in an improper sequence.

Example

"The microwave door features a safety interlock that immediately cuts power if opened during operation."


2

The state or arrangement of being fitted or linked closely together.

Example

"The tight interlock of the paving stones allowed the courtyard to withstand decades of heavy traffic."


3

A type of double-knitted fabric that is smooth on both sides and possesses greater stability and thickness than standard jersey knit.

Example

"She chose a soft cotton interlock for sewing the baby garments because it does not curl at the edges."

Synonyms
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Antonyms
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• Rhymes for interlock

Word Origin & Etymology

Formed in the early 19th century by combining the Latin-derived prefix 'inter-' (meaning between or mutually) with the native English verb 'lock', from Old English 'locc' (fastening).

Cite this Entry


Wordmom. (2026). Definition of Interlock. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/interlock
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