Is PROOF a Wordle Word?

Yes. PROOF is a valid Wordle word.

It was the Wordle answer on January 2, 2026 (#1658).

Since February 2026, Wordle sometimes reuses past answers, so it could be the answer again.

What does PROOF mean?

/pɹʉːf/

noun

  1. An effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
  2. The degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments which induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.
  3. The quality or state of having been proved or tried; firmness or hardness which resists impression, or does not yield to force; impenetrability of physical bodies.
7 more noun definitions
  1. Experience of something.
  2. Firmness of mind; stability not to be shaken.
  3. A proof sheet; a trial impression, as from type, taken for correction or examination.
  4. A sequence of statements consisting of axioms, assumptions, statements already demonstrated in another proof, and statements that logically follow from previous statements in the sequence, and which concludes with a statement that is the object of the proof.
  5. A process for testing the accuracy of an operation performed. Compare prove, transitive verb, 5.
  6. Armour of excellent or tried quality, and deemed impenetrable; properly, armour of proof.
  7. A measure of the alcohol content of liquor. Originally, in Britain, 100 proof was defined as 57.1% by volume (no longer used). In the US, 100 proof means that the alcohol content is 50% of the total volume of the liquid; thus, absolute alcohol would be 200 proof.

verb

  1. To proofread.
  2. To make resistant, especially to water.
  3. To allow yeast-containing dough to rise.
1 more verb definition
  1. To test the activeness of yeast.

adjective

  1. Used in proving or testing.“a proof load; a proof charge”
  2. Firm or successful in resisting.“proof against harm”
  3. (of alcoholic liquors) Being of a certain standard as to alcohol content.

Definition from Wiktionary, available under the CC BY-SA license.

PROOF in Wordle

Starter word rating
WeakIn the top 89% of all valid Wordle words for testing common letters.
Vowels
O
Unique letters
4 of 5Repeats O
Common letters
R, O

Letter ratings use how often each letter appears in Wordle answers.

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