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Definition of invalidation

invalidation

/ɪnˌvæl.əˈdeɪ.ʃən/
in · val · i · da · tion

Adverb:invalidly
•
Plural:invalidations
•
Adjective:invalid
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invalidation Lexical Profile

invalidation Game Scores & Validity

• noun

1

The act or process of rendering something legally, logically, or officially void, null, or unacceptable.

Example

"A procedural error during the signature process led to the complete invalidation of the contract."


2

The act of dismissing, ignoring, or rejecting the legitimacy of another person's feelings, thoughts, or lived experiences.

Example

"The counselor explained how chronic emotional invalidation can undermine a child's self-trust."


3

The process in computing of marking cached data or memory entries as outdated or unusable so that fresh data must be fetched.

Example

"Proper cache invalidation ensures that users always see the most recent version of their account balance."

Synonyms
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Antonyms
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• Rhymes for invalidation

Word Origin & Etymology

Formed in the mid-17th century from the verb 'invalidate' plus the noun suffix '-ion', ultimately tracing back to the Latin 'invalidus' ('weak, ineffective'), from 'in-' ('not') and 'validus' ('strong').

Cite this Entry


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