knocker

Reading level: hard

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun (Yiddish) a big shot who knows it and acts that way; a boastful immoderate person
  2. noun a person who knocks (as seeking to gain admittance)
  3. noun one who disparages or belittles the worth of something

Etymology

From knock + -er.

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