negate

/ni'geit/
Học thuật
Thân thiện
negate

This new evidence will negate the previous theory.

Definition
  1. Verb:
    • To make ineffective by counterbalancing the effect of something: To nullify or cancel out the force, effect, or validity of something.
    • To deny the existence or truth of something: To assert that something is not true, does not exist, or is invalid.
    • To prove negative; show to be false: To demonstrate that a statement, hypothesis, or proposition is incorrect.
    • To be in contradiction with: To logically conflict with or be the opposite of something.
Usage
  • The verb "negate" is used to describe the action of rendering something void, false, or ineffective. It is often used in formal, logical, scientific, or legal contexts.
  • It can take a direct object (e.g., "negate an argument") or be used in passive constructions (e.g., "the effect was negated").
Examples
  • Verb:
    • The new evidence seemed to negate the previous theory.
    • Adding too much sugar can negate the health benefits of the meal.
    • He did not negate the allegations; he simply refused to comment.
    • Her apology did not negate the hurt caused by her words.
Advanced Usage
  • In logic and philosophy: "Negate" refers to the operation of forming a proposition that is true if and only if the original proposition is false.
    • To form the contrapositive, you must negate both the hypothesis and the conclusion.
  • In legal contexts: Used to describe invalidating a clause or an effect.
    • The subsequent agreement negated the terms of the original contract.
Variants and Related Words
  • Negation (n): The act of negating; a denial, contradiction, or negative statement.
    • His silence was interpreted as a negation of their proposal.
  • Negative (adj): Expressing or meaning denial, refusal, or prohibition; lacking positive qualities.
    • She received a negative response to her application.
Synonyms
  • Nullify: To make legally null and void; to cancel out.
  • Invalidate: To make something logically unsound or legally ineffective.
  • Contradict: To assert the opposite of a statement made by someone.
  • Deny: To state that something is not true or does not exist.
Antonyms
  • Affirm: To state something as true; to confirm.
  • Validate: To confirm or prove the accuracy or legitimacy of something.
  • Confirm: To establish the truth or correctness of something.
Related Phrases and Idioms
  • Negate the need for: To eliminate the necessity of something.
    • The invention of email negated the need for frequent postal mail.
  • Self-negating: Describing an action or statement that undermines or contradicts itself.
    • His promise to be honest followed by a lie was a self-negating act.
negate

This new evidence will negate the previous theory.

Verb
  1. make ineffective by counterbalancing the effect of
    • Her optimism neutralizes his gloom
    • This action will negate the effect of my efforts
  2. prove negative; show to be false
  3. deny the truth of
  4. be in contradiction with