Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
difficult | No | Yes | No | No |
arduous | No | Yes | No | No |
difficult (adjective) | arduous (adjective) |
---|---|
not easy; requiring great physical or mental effort to accomplish or comprehend or endure | difficult to accomplish; demanding considerable mental effort and skill |
hard to control | characterized by effort to the point of exhaustion; especially physical effort |
taxing to the utmost; testing powers of endurance |