Search Dictionary
Definition of challenging
challenging
/ˈtʃæl.ɪn.dʒɪŋ/
chal · leng · ing
Adverb:challengingly
challenging Lexical Profile
CEFR
B1
Grade
5
Tier
2
Usage
Top 5k
Syllables
3
challenging Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Testing one's abilities or resources in a demanding but often stimulating way; difficult.
Example
"The professor assigned a challenging research project that required weeks of careful analysis."
2
Inviting or provoking a dispute, confrontation, or questioning of authority.
Example
"She gave the committee a challenging look before presenting her counterargument."
Synonyms
View all synonyms for challenging Antonyms
View all antonyms for challenging• Rhymes for challenging
• Nearby Words
Word Origin & Etymology
Formed from the verb 'challenge', which entered Middle English via Old French 'chalenge' from Latin 'calumnia' (meaning 'trickery' or 'false accusation'), combined with the participial suffix '-ing'.
Cite this Entry
Wordmom. (2026). Definition of Challenging. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/challenging