| Answer | Crossword Clue |
|---|---|
| HEAVY | Ponderous |
| MASSY | Ponderous. |
| TOMES | Ponderous books |
| TOMES | Ponderous texts |
| TOMES | Ponderous works |
| TOME | Ponderous book. |
| TOMES | Ponderous volumes |
| TOME | Ponderous volume. |
| WEIGHTY | Ponderous, as issues |
| TOME | Publisher's ponderous product |
| RHINOS | Ponderous, thick-skinned mammals |
| HEAVILY | In a ponderous way |
