English adjective: strenuous | |||
| 1. | strenuous characterized by or performed with much energy or force | ||
| Samples | Strenuous exercise. | ||
| Similar | energetic | ||
| Antonyms | lethargic, unenrgetic | ||
| 2. | strenuous taxing to the utmost; testing powers of endurance | ||
| Samples | His final, straining burst of speed. A strenuous task. Your willingness after these six arduous days to remain here. | ||
| Synonyms | arduous, straining | ||
| Similar | effortful | ||
| Antonyms | effortless | ||