| Answer | Crossword Clue |
|---|---|
| SEEK | Endeavor to attain |
| TRYFOR | Endeavor to attain. |
| SISYPHEANTASK | Impossible-to-complete endeavor |
| SIEGE | Continued endeavor to gain possession. |
| SIEGE | Prolonged endeavor to overcome resistance. |
| TUNE | Endeavor to play well with others? |
