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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.


ˈchallenging 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.

But meeting that strong demand could be challenging due to supply-chain issues.

From MarketWatch

Robert Bosch said it expects market conditions to remain difficult in the current year after it reported sluggish sales growth and lower earnings for what it called “an incredibly challenging” 2025.

From The Wall Street Journal

“Our dynamic portfolio of brands has demonstrated tremendous resilience in a challenging restaurant operating environment over the last few years,” Fat Brands Chief Executive Andrew Wiederhorn said in a statement.

From Los Angeles Times

But in general, the math can be challenging.

From MarketWatch

"The last few months have been challenging for me but I've learned a lot and will take that with me for the future," Werner said.

From Barron's