| Answer | Crossword Clue |
|---|---|
| toilsome | characterized by or involving toil; laborious or fatiguing |
| toilful | characterized by or involving toil; laborious; toilsome |
| adversarial | Involving or characterized by conflict or opposition |
| bloodiest | Involving or characterized by bloodshed or cruelty |
| vigorous | Characterized by or involving physical strength, effort, or energy |
