English-English Dictionary

Meaning of the word invalidate in English

What does invalidate mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

invalidate

US /ɪnˈvæl.ə.deɪt/
UK /ɪnˈvæl.ə.deɪt/
"invalidate" picture

Verb

1.

make (an argument, statement, or theory) unsound or invalid

Example:
•
New evidence could invalidate the previous findings.
•
His alibi was strong, but the new witness's testimony might invalidate it.
Synonym:
nullifynegatedisproverefutedebunkundermineweakencancelvoidannul
2.

deprive (a person) of legal effectiveness because of a disability or illness

Example:
•
A severe injury could invalidate him from continuing his career.
•
The court ruled that his mental state did not invalidate his will.
Synonym:
incapacitatedisablecripplehandicapdisqualify
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Related Word:
invalidinvalidation