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We found 30 dictionaries with English definitions that include the word challenging:
Click on the first link on a line below to go directly to a page where "challenging" is defined.

General dictionaries General (26 matching dictionaries)
  1. challenging: Merriam-Webster.com [home, info]
  2. challenging: Oxford Learner's Dictionaries [home, info]
  3. challenging: American Heritage Dictionary of the English Language [home, info]
  4. challenging: Collins English Dictionary [home, info]
  5. challenging: Vocabulary.com [home, info]
  6. challenging: Macmillan Dictionary [home, info]
  7. Challenging, challenging: Wordnik [home, info]
  8. challenging: Cambridge Advanced Learner's Dictionary [home, info]
  9. challenging: Wiktionary [home, info]
  10. challenging: The Wordsmyth English Dictionary-Thesaurus [home, info]
  11. challenging: Infoplease Dictionary [home, info]
  12. challenging: Dictionary.com [home, info]
  13. challenging: UltraLingua English Dictionary [home, info]
  14. challenging: Cambridge Dictionary of American English [home, info]
  15. Challenging: Wikipedia, the Free Encyclopedia [home, info]
  16. Challenging: Online Plain Text English Dictionary [home, info]
  17. challenging: Rhymezone [home, info]
  18. Challenging: AllWords.com Multi-Lingual Dictionary [home, info]
  19. challenging: Webster's 1828 Dictionary [home, info]
  20. challenging: Free Dictionary [home, info]
  21. challenging: Mnemonic Dictionary [home, info]
  22. challenging: WordNet 1.7 Vocabulary Helper [home, info]
  23. challenging: LookWAYup Translating Dictionary/Thesaurus [home, info]
  24. challenging: Dictionary/thesaurus [home, info]

Business dictionaries Business (1 matching dictionary)
  1. challenging: Legal dictionary [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. challenging: Encyclopedia [home, info]

Medicine dictionaries Medicine (1 matching dictionary)
  1. challenging: Medical dictionary [home, info]

Miscellaneous dictionaries Miscellaneous (1 matching dictionary)
  1. challenging: Idioms [home, info]

(Note: See challenges for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (challenging)

adjective:  disturbingly provocative
adjective:  stimulating interest or thought ("A challenging hypothesis")
adjective:  requiring full use of your abilities or resources ("Performed the most challenging task without a mistake")

▸ Also see challenges

Words similar to challenging

Usage examples for challenging

Idioms related to challenging (New!)

Popular nouns described by challenging

Words that often appear near challenging

Rhymes of challenging

Invented words related to challenging

Phrases that include challenging:   challenging behaviour

Words similar to challenging:   ambitious, challenge, challengingly, intriguing, thought-provoking, hard, more...

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