Invalidate (Verb)
Meaning 1
Make invalid for use; "cancel cheques or tickets".
Classification
Verbs of telling, asking, ordering, singing.
Examples
- The travel agency will invalidate the unused tickets if you do not redeem them within six months.
- If you suspect your credit card has been stolen, contact the bank immediately to invalidate it.
- Please note that any alteration to the winning lottery ticket will invalidate your claim to the prize.
- The concert organizers had to invalidate hundreds of counterfeit tickets purchased by unsuspecting fans.
- After a customer reported a potential security breach, Amazon invalidated all password reset links sent to users on that day.
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Meaning 2
Take away the legal force of or render ineffective; "invalidate a contract".
Classification
Verbs of size, temperature change, intensifying, etc..
Examples
- The court's decision will invalidate the previous rulings made by the lower courts in this case.
- The clause in the contract has been designed to invalidate any attempts to sue the company for incidental damages.
- If the signatures on the document are fake, it will invalidate the entire agreement.
- The lawyer argued that the new evidence was sufficient to invalidate the will and have it annulled.
- The missing document could invalidate the entire application process and require that we start over.
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Meaning 3
Declare invalid; "The contract was annulled"; "void a plea".
Classification
Verbs of political and social activities and events.
Examples
- The court decision was appealed and may invalidate the original ruling.
- Incorrect assumptions invalidate the entire research study and its conclusions.
- A technicality may invalidate the votes cast in the disputed district.
- New evidence could potentially invalidate the key witness's prior testimony.
- The investigation found flaws in the scientific method, which may invalidate the results.
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Meaning 4
Show to be invalid.
Classification
Verbs of thinking, judging, analyzing, doubting.
Examples
- The court's decision will invalidate the previous ruling, requiring a new trial to take place.
- The discovery of the data breach will invalidate the company's claims of being completely secure.
- A lack of proper documentation can invalidate an insurance claim and result in no payout.
- This new evidence will invalidate all previous theories about the accident.
- The lab results may invalidate the data collected during the experiment due to contaminated samples.