English Meaning & Definitions
To weaken, discredit, or deprive of legal or logical force; to make something no longer valid.
- “The discovery of new evidence served to invalidate his entire theory.”
- “Failure to sign the document will invalidate the contract.”
English Antonyms & Opposites
Comprehensive Thesaurus Breakdown
Compare formal, informal, literary synonyms and register nuances for “invalidate”.
Derived from the Medieval Latin 'invalidatus', the past participle of 'invalidare', formed by the prefix 'in-' (not) combined with 'validus' (strong, powerful). It entered English in the early 17th century, originally used in legal contexts to denote the act of rendering a document or claim legally void.
Think of 'in-' (not) + 'valid' (strong/true). If you invalidate something, you are saying it is 'not valid' anymore.
Frequently Asked Questions About “invalidate”
1. What is the meaning of “invalidate” in English?
In English, invalidate (verb) is defined as: “To weaken, discredit, or deprive of legal or logical force; to make something no longer valid.”.
2. How do you use “invalidate” in a sentence?
“The discovery of new evidence served to invalidate his entire theory.”
3. What are English synonyms of “invalidate”?
4. What is the etymology and word origin of “invalidate”?
Derived from the Medieval Latin 'invalidatus', the past participle of 'invalidare', formed by the prefix 'in-' (not) combined with 'validus' (strong, powerful). It entered English in the early 17th century, originally used in legal contexts to denote the act of rendering a document or claim legally void.
🇬🇧More English Words to English
View all English words →The base unit of time in the International System of Units (SI), equal to the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.
A specific duration of time equal to one hour and forty-six minutes and twelve seconds.
The cardinal number equal to one thousand million (1,000,000,000), expressed in scientific notation as 10^9.
A specific duration of time equivalent to one hour and forty-six minutes.