Unsuccessful has 4 syllables and the stress is on the third syllable.
| # | Sentence | |
|---|---|---|
| 1. | If I don't come back, the venture will probably be unsuccessful. | |
| 2. | The attempts were for the most part unsuccessful. | |
| 3. | All his endeavors proved unsuccessful. | |
| 4. | He commented on his unsuccessful business negotiation. | |
| 5. | We tried to put out the fire but we were unsuccessful. We had to call the fire brigade. | |
| 6. | Act like you were from those we can not quickly make a maker of unsuccessful ones. | |
| 7. | Our plan was unsuccessful. | |
| 8. | Tom was unsuccessful. | |
| 9. | We were unsuccessful. | |
| 10. | We've been unsuccessful. |