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Meaning of stickler

stick•ler

Pronunciation: (stik'lur), [key]
— n.
  1. a person who insists on something unyieldingly (usually fol. by for): a stickler for ceremony.
  2. any puzzling or difficult problem.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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