arduous

Adjective

difficult to accomplish; demanding considerable mental effort and skill

derivation

arduousness
similar

difficult hard
characterized by effort to the point of exhaustion; especially physical effort

synonym

backbreaking grueling gruelling hard heavy laborious operose punishing toilsome
derivation

arduousness
similar

effortful
taxing to the utmost; testing powers of endurance

synonym

straining strenuous
derivation

arduousness
similar

effortful

arduous vs arduousness arduous vs arduousness arduous vs arduousness arduous vs backbreaking arduous vs difficult arduous vs effortful arduous vs effortful arduous vs grueling arduous vs gruelling arduous vs hard arduous vs hard arduous vs heavy arduous vs laborious arduous vs operose arduous vs punishing arduous vs straining arduous vs strenuous arduous vs toilsome

Other words that start with: “A”, “AR”, “ARD”, “ARDU” or end with: “S”, “US”, “OUS”, “UOUS”.

Other adjectives that start with: “A”, “AR”, “ARD”, “ARDU” or end with: “S”, “US”, “OUS”, “UOUS”.

Words unscrambled from / built with letters: “ARDUOUS”.

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