| Answer | Crossword Clue |
|---|---|
| HORNY | Callous and tough. |
| HORNIEST | Hardest and most callous. |
| RUGGED | Rough and tough |
| STEELY | Hard and tough |
| HARDNOSED | Tough and unsentimental |
| LEATHERY | Tough and flexible |
| WIRY | Thin and tough |
| WIRY | Lean and tough |
| GRITTY | Tough and courageous |
| WIRY | Lean, tough and strong |
| WIRY | Lean, tough, and sinewy |
| SINEWY | Tough and stringy, as meat |
| HARDNOSE | Tough, practical, and unsentimental one |
| BUTTONTREE | Its wood is hard and tough. |
| BRONSON | Tough guy star of "Love and Bullets" |
| SIMILES | Fit as a fiddle and tough as nails |
| MANATEE | Herbivorous aquatic mammal with big eyes and tough whiskers. |
