Irrefutable

hardPositive tone

ih-REF-yoo-tuh-bul

adjective

Definition

Impossible to deny or disprove

Memory hook

IR-REFUTE-able: cannot be REFUTED - like video evidence, impossible to argue against.

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Word roots

innot(Latin)
refutareto repel, disprove(Latin)

Learning roots unlocks whole word families. Study common GRE root words.

Examples

The evidence against him was irrefutable.
Her logic was irrefutable and convinced everyone.

Test yourself

Fill in the blank with the right word:

The evidence against him was ______.
Show answer

irrefutable

Synonyms

indisputableincontrovertibleundeniableconclusive

Antonyms

debatabledisputablequestionablerefutable

Categories

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GRE Tip

Irrefutable is a hard-difficulty GRE word. On the GRE, you might see it paired with synonyms like "indisputable" or "incontrovertible" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "debatable".

Read: How to Memorize GRE Words That Actually Stick

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