Meaning of challenging

chal•leng•ing

Pronunciation: (chal'in-jing), [key]
— adj.
  1. offering a challenge; testing one's ability, endurance, etc: a challenging course; a challenging game.
  2. stimulating, interesting, and thought-provoking: a challenging suggestion.
  3. provocative; intriguing: a challenging smile.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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