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Definition of arduously
arduously
/ˈɑːr.dʒu.əs.li/
ar · du · ous · ly
Adjective:arduous
arduously Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
4
arduously Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adverb
1
In a manner that requires great physical or mental effort, endurance, and perseverance; with great difficulty or toil.
Example
"The research team worked arduously for several years to decode the ancient inscriptions."
Synonyms
View all synonyms for arduously Antonyms
View all antonyms for arduouslyWord Origin & Etymology
Formed in English from the adjective 'arduous' plus the adverbial suffix '-ly'; 'arduous' derives from the Latin 'arduus', meaning 'steep, high, or difficult to reach.'
Cite this Entry
Wordmom. (2026). Definition of Arduously. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/arduously