| Groundhog Day's mo. | 23 |
| Groundhog Day nickname | 22 |
| Groundhog Day mo. | 17 |
| Groundhog Day focus | 19 |
| Groundhog | 9 |
| Grounder through the legs, for one | 34 |
| Grounded? | 9 |
| Grounded, at Oxford | 19 |
| Grounded, as a jet | 18 |
| Grounded trans-Atlantic fliers, for short | 41 |
| Grounded speedsters | 19 |
| Grounded speedster | 18 |
| Grounded pointy-nosed plane, briefly | 36 |
| Grounded planes: Abbr. | 22 |
| Grounded planes, briefly | 24 |
| Grounded planes | 15 |
| Grounded plane: Abbr. | 21 |
| Grounded phone connection? | 26 |
| Grounded one | 12 |
| Grounded JFK jet | 16 |
| Grounded jets: Abbr. | 20 |
| Grounded jets, for short | 24 |
| Grounded jets, briefly | 22 |
| Grounded jets | 13 |
| Grounded jet, for short | 23 |
| Grounded jet planes: Abbr. | 26 |
| Grounded jet | 12 |
| Grounded item | 13 |
| Grounded flock | 14 |
| Grounded fliers, for short | 26 |
| Grounded fliers, briefly | 24 |
| Grounded fliers | 15 |
| Grounded flier, briefly | 23 |
| Grounded flier since 2001 | 25 |
| Grounded flier | 14 |
| Grounded fleet: Abbr. | 21 |
| Grounded fleet, for short | 25 |
| Grounded fleet, briefly | 23 |
| Grounded fleet of fast fliers | 29 |
| Grounded fleet | 14 |
| Grounded fast planes: Abbr. | 27 |
| 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 |