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Synonyms

challenging

American  
[chal-in-jing] / ˈtʃæl ɪn dʒɪŋ /

adjective

  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.


challenging British  
/ ˈtʃælɪndʒɪŋ /

adjective

  1. demanding or stimulating

    a challenging new job

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • challengingly adverb
  • nonchallenging adjective
  • unchallenging adjective

Etymology

Origin of challenging

First recorded in 1300–50; Middle English, as a gerund; 1835–45 for sense of "testing one's ability"; challenge ( def. ), -ing 2 ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Asia-Pacific economies face a challenging time ahead as the fallout of the Middle East conflict threatens to fan inflation and curb growth, the Asian Development Bank said in its latest outlook.

From The Wall Street Journal • Apr. 10, 2026

Sales fell 6% as strong growth in the U.S. and Europe only partially offset a hefty sales drop in China, and challenging macroeconomic and market conditions.

From The Wall Street Journal • Apr. 9, 2026

Storyteller Antjuan Tobias, who is a jump-first-think-later kind of guy, echoed several performers by describing L.A. dating as challenging.

From Los Angeles Times • Apr. 9, 2026

Infrastructure also remains challenging, to say the least.

From Barron's • Apr. 9, 2026

On my parents' end, they couldn't understand why I was making an already challenging situation worse.

From "Americanized" by Sara Saedi