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Definition of arduousness
arduousness
/ˈɑːr.dʒu.əs.nəs/
ar · du · ous · ness
Adverb:arduously
•Adjective:arduous
arduousness Lexical Profile
CEFR
C2
Grade
12
Tier
2
Usage
Rare
Syllables
4
arduousness Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The quality or state of being arduous; extreme difficulty requiring strenuous, sustained effort and endurance.
Example
"The explorers underestimated the sheer arduousness of crossing the mountain range during late winter."
Synonyms
View all synonyms for arduousness Antonyms
View all antonyms for arduousnessWord Origin & Etymology
Formed in English from the adjective 'arduous' (from Latin arduus, meaning 'high, steep, or difficult to reach') and the native noun-forming suffix '-ness'.
Cite this Entry
Wordmom. (2026). Definition of Arduousness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/arduousness