voucher

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun someone who vouches for another or for the correctness of a statement
  2. noun a document that serves as evidence of some expenditure
  3. noun a negotiable certificate that can be detached and redeemed as needed

Etymology

From vouch + -er. The verb is from the noun.

In classic literature

Synonyms

verifier

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