Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
arduous | No | Yes | No | No |
arduousness | Yes | No | No | No |
arduous (noun) | arduousness (noun) |
---|---|
extreme effortfulness |
arduous (adjective) | arduousness (adjective) |
---|---|
difficult to accomplish; demanding considerable mental effort and skill | |
characterized by effort to the point of exhaustion; especially physical effort | |
taxing to the utmost; testing powers of endurance |