| Challenge, in Cannes | 20 |
| Challenge, legally | 18 |
| Challenge, metaphorically | 25 |
| Challenge-ending phrase | 23 |
| Challenge-giver or accepter | 27 |
| Challenged | 10 |
| Challenged a verdict | 20 |
| Challenged election winners | 27 |
| Challenged Griffey | 18 |
| Challenged one's honesty | 28 |
| Challenged the Colorado | 23 |
| Challenged the verdict | 22 |
| Challenged, in a way | 20 |
| Challenged, or what the theme entries in this puzzle should be | 62 |
| Challenger | 10 |
| Challenger astronaut Judith | 27 |
| Challenger astronaut McAuliffe | 30 |
| Challenger defect: 1986 | 23 |
| Challenger grp. | 15 |
| Challenger of Stalin | 20 |
| Challenger of the dragon Smaug | 30 |
| Challenger passenger Judith | 27 |
| Challenger problem part | 23 |
| Challenger to D.D.E. | 20 |
| Challenger's announcement at a pickup game | 46 |
| Challenger's letters | 24 |
| Challenger's org. | 21 |
| Challenger's problem gasket | 31 |
| Challenger's problem part | 29 |
| Challenger's quest | 22 |
| Challenger, for one | 19 |
| Challengers | 11 |
| Challenges | 10 |
| Challenges anew | 15 |
| Challenges catchers, in a way | 29 |
| Challenges for a bank's in-house masseur? | 45 |
| Challenges for an interviewee | 29 |
| Challenges for college srs. | 27 |
| Challenges for daredevil motorcyclists | 38 |
| Challenges for Hercules | 23 |
| Challenges for movers | 21 |
| Challenges for rats | 19 |
| Challenges for Retton | 21 |
| Challenges in a child's puzzle book | 39 |
| Challenges moguls | 17 |
| Challenges to a duel | 20 |
| Challenges with dead ends | 25 |
| Challenging | 11 |
| Challenging area at Augusta National, as it's facetiously called | 68 |
| Challenging bowling pin arrangement | 35 |
| Challenging Chopin piece | 24 |
| Challenging chore | 17 |
| Challenging curve | 17 |
| Challenging curves | 18 |
| Challenging delinquent | 22 |
| Challenging employer for a maid | 31 |
| Challenging exam | 16 |
| Challenging exercise | 20 |
| Challenging for a sitter | 24 |
| Challenging locks | 17 |
| Challenging move | 16 |
| Challenging opening | 19 |
| Challenging peak | 16 |
| Challenging person | 18 |
| Challenging phase of a child's development | 46 |
| Challenging potato chip quantity | 32 |
| Challenging puzzle | 18 |
| Challenging puzzles | 19 |
| Challenging question | 20 |
| Challenging reply | 17 |
| Challenging request | 19 |
| Challenging riddle | 18 |
| Challenging roommates | 21 |
| Challenging tennis play | 23 |
| Challenging tests | 17 |
| Challenging the rapids, maybe | 29 |
| Challenging to corner | 21 |
| Challenging way to race | 23 |
| Challenging winds | 17 |
| Challenging words | 17 |
| Challenging years | 17 |
| Chalmers' business partner | 30 |
| Chalmers's business partner | 31 |
| Chalon's river | 18 |
| Chalon-sur-___, city SSW of Dijon | 33 |
| Chalon-sur-___, France | 22 |
| CHALTUPID | 9 |
| Chalupa alternative | 19 |
| Chalupa cousin | 14 |
| Chalupa kin | 11 |
| Chalybite and limonite, e.g. | 28 |
| Chambéry shout | 17 |
| Chamber | 7 |
| Chamber bouncer | 15 |
| Chamber composition | 19 |
| Chamber effect | 14 |
| Chamber ensemble | 16 |
| Chamber ensemble player | 23 |
| Chamber exit | 12 |
| Chamber for a chef | 18 |