Pronunciation: (chal'in-jing), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/challenging.html on line 73 [key]
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.