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What is the Meaning of “Nullify”?

Nullify
/ˈnʌlɪfaɪ/
verb C2 Tier 4 (Top 10,000 words) formal academic

To make something legally invalid or no longer binding. To cancel the force or effect of something, especially in legal or formal contexts.

Definition of Nullify

Quick Meaning of Nullify

To make something legally invalid or no longer binding. To cancel the force or effect of something, especially in legal or formal contexts.

Detailed Definition of Nullify

To make something legally null, void, or without effect; to invalidate or render ineffective.

How to Pronounce Nullify

IPA: /ˈnʌlɪfaɪ/
nul li fy

Stress pattern: Ooo (3-syllable word).

Tip: Stress the first syllable: NUL-uh-fy. The vowel in 'nul' is like the 'u' in 'put', not 'pull'.

Watch out: Learners sometimes stress the second or third syllable (nul-LIF-eye or null-i-FY). Correct: NUL-uh-fy.

Full pronunciation guide for “nullify” →

Origin and Etymology of Nullify

From Latin 'nullus' (none, void) + '-fy' (suffix meaning to make). 'Nullus' relates to 'null'. Entered English in 16th century with legal terminology.

How to Use Nullify in a Sentence

Each example shows “nullify” with a CEFR level so learners can pick examples that match their fluency.

  • “The court decision nullified the previous contract, making it no longer legally binding.”
    C2 formal
  • “His conviction was nullified after new evidence proved his innocence.”
    C2 academic
  • “The amendment nullified several clauses in the original agreement.”
    C2 written

Synonyms and Antonyms of Nullify

Common Synonyms for Nullify

Smart Synonyms for Nullify — When to Use Each

invalidate
Similar formality; broader sense of making invalid
void
Legal term; emphasizes complete lack of effect
annul
Legal context; often used for contracts and marriages

See all synonyms for “nullify” →

Common Collocations with Nullify

These phrases pair with “nullify” in everyday English:

  • nullify a contract
  • nullify an agreement
  • nullify rights
  • nullify a decision
  • nullify the effect

Common Mistakes When Using Nullify

Even fluent speakers slip up with “nullify”. Here’s how to avoid the most common errors:

✗ Wrong: The referee nullified the goal because it was offside.
✓ Correct: The referee disallowed the goal because it was offside. / The goal was nullified due to offside.
Why: In sports, use 'disallow' or 'rule out' more naturally. 'Nullify' is more formal/legal.
✗ Wrong: This argument nullify the opponent's claim.
✓ Correct: This argument nullifies the opponent's claim.
Why: Third person singular needs 'nullifies', not 'nullify'.
✗ Wrong: The contract was nullify last week.
✓ Correct: The contract was nullified last week.
Why: Use the past participle 'nullified' in passive voice, not the base form 'nullify'.

Other Forms of Nullify

Frequently Asked Questions About Nullify

What is the meaning of "Nullify"?

To make something legally invalid or no longer binding. To cancel the force or effect of something, especially in legal or formal contexts.

How do you pronounce "Nullify"?

The IPA is /ˈnʌlɪfaɪ/. Stress the first syllable: NUL-uh-fy. The vowel in 'nul' is like the 'u' in 'put', not 'pull'.

What part of speech is "Nullify"?

"Nullify" is a verb at C2 level (Common European Framework).

What are synonyms for "Nullify"?

Common synonyms include invalidate, void, cancel.

How do you use "Nullify" in a sentence?

For example: "The court decision nullified the previous contract, making it no longer legally binding."

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