Proof

/pɹʉːf/

The meaning and definition of Proof, with examples, synonyms, and a word game to make it stick.

Definition

adjective
  1. Used in proving or testing.
    “a proof load; a proof charge”
  2. Firm or successful in resisting.
    “proof against harm”
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.

Definitions from the Free Dictionary API

Origin

From Middle English proof, from Old French prove, from Latin proba, from Latin probo, from Latin probus.

25 Greek & Latin roots that unlock 1,000+ English words

Source: Etymological Wordnet (CC BY-SA 3.0)

A word like “Proof” rarely sticks from a single glance at a definition. WordMaster turns vocabulary into a game you play in context so it stays with you. Read the meaning above, then guess it in the tile, anagram, or hangman format — and every word you meet is logged for review.

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