| HARD | stubbornly resistant to change or improvement |
|---|---|
| HARD | requiring great effort |
| HARD | aggressively and persistently persuasive |
| HARD | characterized by or full of force and vigor |
| HARD | firm and uncompromising |
| HARD | guided by practical experience and observation rather than theory |
| HARD | having a hearing loss |
| HARD | an erect penis |
| HARD | facing or experiencing financial trouble or difficulty |
| HARD | an edible American clam |
| HARD | Atlantic coast round clams with hard shells |
| HARD | edible crab that has not recently molted and so has a hard shell |