Interlock

//ˌɪntə(ɹ)ˈlɒk// noun, verb

noun, verb ·Moderate ·High school level

Definitions

Noun
  1. 1
    A safety device that prevents activation in unsafe conditions.

    "The demonstrator couldn't figure out why the machine wouldn't work, until he remembered that there was an interlock so it wouldn't operate with the cover open."

  2. 2
    the act of interlocking or meshing wordnet
  3. 3
    a device that prevents an automotive engine from starting wordnet
Verb
  1. 1
    To fit or clasp together securely. ambitransitive
  2. 2
    coordinate in such a way that all parts work together effectively wordnet
  3. 3
    To interlace.
  4. 4
    become engaged or intermeshed with one another wordnet
  5. 5
    hold in a locking position wordnet

Synonyms

All synonyms
lockaccordaegisagreeansweranswer to

Example

More examples

"This car is fully equipped with an ignition interlock device."

Etymology

From inter- + lock.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.