Definition of Invalidate

1. Verb. Declare invalid. "Void a plea"

Exact synonyms: Annul, Avoid, Nullify, Quash, Void
Generic synonyms: Cancel, Strike Down
Specialized synonyms: Break, Stet
Derivative terms: Annulment, Invalidation, Invalidator, Nullification, Nullification, Nullifier, Nullifier, Void, Voidable, Voider
Antonyms: Validate



2. Verb. Make invalid for use. "Cancel cheques or tickets"
Exact synonyms: Cancel
Generic synonyms: Mark, Score

3. Verb. Show to be invalid.
Exact synonyms: Nullify
Generic synonyms: Contradict, Negate
Antonyms: Validate

4. Verb. Take away the legal force of or render ineffective. "Invalidate a contract"
Exact synonyms: Vitiate, Void
Generic synonyms: Alter, Change, Modify
Derivative terms: Invalidation, Vitiation, Voidable
Antonyms: Validate

Definition of Invalidate

1. v. t. To render invalid; to weaken or lessen the force of; to destroy the authority of; to render of no force or effect; to overthrow; as, to invalidate an agreement or argument.

Definition of Invalidate

1. Verb. To make invalid. Esp. applied to contract law. ¹

¹ Source: wiktionary.com

Definition of Invalidate

1. [v -DATED, -DATING, -DATES]

Medical Definition of Invalidate

1. To weaken or make valueless: to discredit. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Invalidate Pictures

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Lexicographical Neighbors of Invalidate

invades
invading
invadopodia
invadopodium
invalescence
invaletudinary
invalid
invalidate (current term)
invalidated
invalidates
invalidating
invalidation
invalidations
invalidator
invalidators
invalided
invalidhood
invaliding
invalidism
invalidisms
invalidities
invalidity

Literary usage of Invalidate

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Law of Contracts by Samuel Williston, Clarence Martin Lewis (1920)
"Added terms requested as a favor do not invalidate an acceptance. Frequently an offeree while making a positive acceptance of the offer, adds as a request ..."

2. South Eastern Reporter by West Virginia Supreme Court of Appeals, West Publishing Company, South Carolina Supreme Court (1905)
"If the Jury find from the greater weight ol the testimony that the agent was drinking, it would not be sufficient to invalidate the contract; ..."

3. National Building Code by American Insurance Association, National Board of Fire Underwriters (1909)
"Invalidity of One Section Not to invalidate Any Other. The invalidity of any section or provision of this Code shall not invalidate any other section or ..."

4. Law of Wills, Executors and Administrators by James Schouler (1915)
"To invalidate a Will for Fraud, Undue Influence, etc., Testator's Free Agency must ... To invalidate, therefore, a will on the ground of fraud, compulsion, ..."

5. A Treatise on the American Law of Landlord and Tenant by John Neilson Taylor (1887)
"Mistake in, does not invalidate. — Aliter, as to omission. — As to the names of the parties, it may be observed that the law knows but one Christian name, ..."

6. A Treatise on the Law of Executors and Administrators by Edward Vaughan Williams, Roland Lomax Vaughan Williams, Joseph Fitz Randolph, William Talcott (1895)
"The burthen of proof rests upon the person attempting to invalidate what, on its face, purports to be a legal act (/). Sanity must be presumed till the ..."

7. Commentaries on the Law of Municipal Corporations by John Forrest Dillon (1911)
"... will not necessarily invalidate a removal.2 The proceeding being administrative in its purpose, the fact that the charges are preferred by the trial ..."

8. The Law of Partnership, Including Limited Partnerships. by Francis Marion Burdick (1917)
"... and that the special partner's liability to them was unlimited.2 (c) Defective Organization does not invalidate Firm Contracts. ..."

9. The Law of Contracts by Samuel Williston, Clarence Martin Lewis (1920)
"Added terms requested as a favor do not invalidate an acceptance. Frequently an offeree while making a positive acceptance of the offer, adds as a request ..."

10. South Eastern Reporter by West Virginia Supreme Court of Appeals, West Publishing Company, South Carolina Supreme Court (1905)
"If the Jury find from the greater weight ol the testimony that the agent was drinking, it would not be sufficient to invalidate the contract; ..."

11. National Building Code by American Insurance Association, National Board of Fire Underwriters (1909)
"Invalidity of One Section Not to invalidate Any Other. The invalidity of any section or provision of this Code shall not invalidate any other section or ..."

12. Law of Wills, Executors and Administrators by James Schouler (1915)
"To invalidate a Will for Fraud, Undue Influence, etc., Testator's Free Agency must ... To invalidate, therefore, a will on the ground of fraud, compulsion, ..."

13. A Treatise on the American Law of Landlord and Tenant by John Neilson Taylor (1887)
"Mistake in, does not invalidate. — Aliter, as to omission. — As to the names of the parties, it may be observed that the law knows but one Christian name, ..."

14. A Treatise on the Law of Executors and Administrators by Edward Vaughan Williams, Roland Lomax Vaughan Williams, Joseph Fitz Randolph, William Talcott (1895)
"The burthen of proof rests upon the person attempting to invalidate what, on its face, purports to be a legal act (/). Sanity must be presumed till the ..."

15. Commentaries on the Law of Municipal Corporations by John Forrest Dillon (1911)
"... will not necessarily invalidate a removal.2 The proceeding being administrative in its purpose, the fact that the charges are preferred by the trial ..."

16. The Law of Partnership, Including Limited Partnerships. by Francis Marion Burdick (1917)
"... and that the special partner's liability to them was unlimited.2 (c) Defective Organization does not invalidate Firm Contracts. ..."

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