| English adjective: challenging | |||
| 1. | challenging requiring full use of your abilities or resources | ||
| Samples | Ambitious schedule. Performed the most challenging task without a mistake. | ||
| Synonyms | ambitious | ||
| Similar | difficult, hard | ||
| Antonyms | easy | ||
| 2. | challenging stimulating interest or thought | ||
| Samples | A challenging hypothesis. A thought-provoking book. | ||
| Synonyms | thought-provoking | ||
| Similar | stimulating | ||
| Antonyms | unexciting, unstimulating | ||
| 3. | challenging disturbingly provocative | ||
| Samples | An intriguing smile. | ||
| Synonyms | intriguing | ||
| Similar | provocative | ||
| Antonyms | unprovocative, unprovoking | ||