| Underground burial chamber |
| Forceful in expression |
| Keystone law enforcer |
| Pleasure grounds |
| Air Force Academy student |
| Force into motion |
| Result of accidentally throwing a Frisbee into a campground? |
| Affording grounds for a certain premium |
| Active, masculine force |
| Equal distribution of forces among nations |
| Emergency armed forces |
| Turndowns from Groundskeeper Willie of "The Simpsons |
| Pioneering underground publication of the 1960s |
| Actress MacDowell of "Groundhog Day |
| Maryland site of Army Proving Grounds. |
| Bluish-green chiefs of an armed forces branch? |
| Air Force general in W.W. II |
| Large naval force |
| Express forcefully |
| Organized crime enforcers of the 1930s-'40s |
| Paris underground system |
| Workforce |
| Intimidator on the bovine playground? |
| One of a silent force? |
| Forceful fellow |
| Groundbreaking person |
| Naval force |
| Actor Harris in Special Forces attire? |
| Playground equipment |
| Ground coverings having sparse vegetation |