if it looks like a duck, swims like a duck, and quacks like a duck, then it's probably a duck

English dictionary entry

Meanings

proverb
  1. Alternative form of if it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck.

Word forms

if it looks like a duck, swims like a duck, and quacks like a duck, then it's probably a duck
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