Related Clues:
- Hidden tomb, under which one's cold
- and 18: Bowlers had trash flogged
- Playing card included in #realmoney
- Like steel
- Like dried cement
- Like some facts and stuff
- Sob quietly and tremble -- it's this crossword!
- Solid, firm, rigid
- Mysterious tomb -- Inca, oddly
- Obscure or puzzling (as our neighbour Crosaire)
- Grueling
- Solid or difficult to do
- Not easily solved
- Hurry _____(Skip's command)
- With 60-Down, gotten by great effort