invalidate
verb
Simple meaning
To make or declare unsound or erroneous.
Pronunciation
Say it like this:
ihnvalihdaytSay the bold part a little louder.
IPA pronunciation (US)
ɪnˈvælɪdeɪt
This word is pronounced essentially the same in American and British English, so one transcription covers both.
IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.
Definition
Everyday modern meanings first, grouped by part of speech.
verb
To make invalid. Especially applied to contract law.
To make or declare (an argument, statement, or theory) unsound or erroneous; disprove.
Make invalid for use
Declare invalid
Show to be invalid
To render invalid; discredit.
Word at a Glance
- Difficulty
- C1 · Advanced (estimated)
- Frequency
- Uncommon
- Typical Use
- Primarily written
Word Aura™
How this word commonly comes across.
Aura for this meaning
This meaning: To make invalid. Especially applied to contract law.
Used this way, invalidate is a specialist word that usually carries little praise or criticism of its own. This is a legal use: the wording is institutional and carries a defined meaning in law rather than a loose everyday one.
- Emotional tone
- Neutral
- Formality
- Specialist/technical
- Intensity
- Not strongly marked
- How common
- Specialized
- Connotation
- Clinical and technical
- Usage feel
- Technical and specialized
Where it naturally appears
- Law/legal
- Government/politics
- Academic writing
Usage note
In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.
Nearby words
- avoid , a specialist term, precise but narrower
Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.
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Common Patterns and Combinations
How this word naturally appears with others.
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Similar Words, What’s the Difference?
Close in meaning, but not always interchangeable.
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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.