| Grounded fast jet | 17 |
| Grounded fast fliers | 20 |
| Grounded fast flier | 19 |
| Grounded craft | 14 |
| Grounded connections? | 21 |
| Grounded commercial flier | 25 |
| Grounded commercial fleet (Abbr.) | 33 |
| Grounded commercial fleet | 25 |
| Grounded boomer, briefly | 24 |
| Grounded birds of Australia | 27 |
| Grounded birds | 14 |
| Grounded bird | 13 |
| Grounded big birds? | 19 |
| Grounded big birds | 18 |
| Grounded avians | 15 |
| Grounded avian creature | 23 |
| Grounded avian | 14 |
| Grounded Australians | 20 |
| Grounded Australian denizen | 27 |
| Grounded Australian birds | 25 |
| Grounded Australian | 19 |
| Grounded Aussie bird | 20 |
| Grounded Aussie | 15 |
| Grounded Atl. crossers | 22 |
| Grounded Air France fliers, briefly | 35 |
| Grounded "bird" since 2003 | 36 |
| Grounded | 8 |
| Groundbreaking? | 15 |
| Groundbreaking tools | 20 |
| Groundbreaking tool | 19 |
| Groundbreaking stuff? | 21 |
| Groundbreaking sitcom, and a hint to four different three-letter words concealed by starred answers | 99 |
| Groundbreaking sitcom | 21 |
| Groundbreaking Reagan appointee | 31 |
| Groundbreaking person? | 22 |
| Groundbreaking person | 21 |
| Groundbreaking old Fords | 24 |
| Groundbreaking musical | 22 |
| Groundbreaking manufacturer? | 28 |
| Groundbreaking Johns Hopkins physician Sir William | 50 |
| Groundbreaking item | 19 |
| Groundbreaking inventions? | 26 |
| Groundbreaking invention? | 25 |
| Groundbreaking invention | 24 |
| Groundbreaking garden tools | 27 |
| Groundbreaking garden tool | 26 |
| Groundbreaking discovery? | 25 |
| Groundbreaking discovery | 24 |
| Groundbreaking discoveries? | 27 |
| Groundbreaking desktop publishing software | 42 |
| Groundbreaking construction tool? | 33 |
| Groundbreaking comic Lenny | 26 |
| Groundbreaking book of 1963 | 27 |
| Groundbreaking anime film of 1988 | 33 |
| Groundbreaking 90's sitcom | 30 |
| Groundbreaking 1988 anime film | 30 |
| Groundbreaking 1970s sitcom | 27 |
| Groundbreaking '60s musical | 31 |
| Groundbreaking | 14 |
| Groundbreakers? | 15 |
| Groundbreakers | 14 |
| Groundbreaker? | 14 |
| Groundbreaker of a sort | 23 |
| Groundbreaker | 13 |
| Ground-___ missile | 18 |
| Ground-water separator? | 23 |
| Ground-up corn | 14 |
| Ground-up bait | 14 |
| Ground-to-satellite problem? | 28 |
| Ground-to-air weapon | 20 |
| Ground-shaking event | 20 |
| Ground-nesting songbird | 23 |
| Ground-level sights | 19 |
| Ground-level shot | 17 |
| Ground-level | 12 |
| Ground-floor apartment, perhaps | 31 |
| Ground-cover plant | 18 |
| Ground-breaking tool | 20 |
| Ground-breaking implement | 25 |
| Ground-breaking garden tools | 28 |
| Ground-breaking garden tool | 27 |
| Ground-breaking farmer | 22 |
| Ground-breaking farm tool | 25 |
| Ground-breaking discovery? | 26 |
| Ground-breaking discovery | 25 |
| Ground-breaking astronomer | 26 |
| Ground-breakers? | 16 |
| Ground-breaker | 14 |
| Ground-bound bird | 17 |
| Ground-based military force | 27 |
| Ground-ball bounces | 19 |
| Ground, say | 11 |
| Ground, in Berlin | 17 |
| Ground, in a way | 16 |
| Ground, as teeth | 16 |
| Ground, as one's teeth | 26 |
| Ground, as grinders | 19 |
| Ground ___ double | 17 |
| Ground ___ | 10 |
| Ground zero on Black Friday | 27 |