| Challenge for ESL students | 26 |
| Challenge for F.D.R. | 20 |
| Challenge for H.S. juniors | 26 |
| Challenge for Hannibal | 22 |
| Challenge for Henry Higgins | 27 |
| Challenge for high school srs. | 30 |
| Challenge for Hillary | 21 |
| Challenge for Jack and Jill | 27 |
| Challenge for jrs. | 18 |
| Challenge for Laurel and Hardy in 'The Music Box' | 57 |
| Challenge for Miss Marple | 25 |
| Challenge for movers | 20 |
| Challenge for Odysseus | 22 |
| Challenge for parents | 21 |
| Challenge for rabble-rousers | 28 |
| Challenge for rock climbers | 27 |
| Challenge for some rock climbers | 32 |
| Challenge for Stenmark | 22 |
| Challenge for the New Year | 26 |
| Challenge for the wheelchair-bound | 34 |
| Challenge for Theseus, in myth | 30 |
| Challenge from a gunslinger | 27 |
| Challenge from a stubborn person | 32 |
| Challenge from Dirty Harry | 26 |
| Challenge in "Legally Blonde," for short | 50 |
| Challenge in a piano lesson | 27 |
| Challenge in a western | 22 |
| Challenge in Games | 18 |
| Challenge in the mind of a Pamplona bull? | 41 |
| Challenge intellectually | 24 |
| Challenge intended to spark innovative solutions | 48 |
| Challenge invented in 1913 | 26 |
| Challenge Matt Dillon | 21 |
| Challenge mockingly | 19 |
| Challenge opener | 16 |
| Challenge results? | 18 |
| Challenge someone | 17 |
| Challenge taker | 15 |
| Challenge that may involve crossing the Khumbu Icefall | 54 |
| Challenge that may result in a prank call | 41 |
| Challenge the credibility of | 28 |
| Challenge the status quo | 24 |
| Challenge the system | 20 |
| Challenge to a big talker | 25 |
| Challenge to a bully | 20 |
| Challenge to a duel | 19 |
| Challenge to a duel (using a glove) | 35 |
| Challenge to a duel, maybe | 26 |
| Challenge to a gunslinger | 25 |
| Challenge to a saw | 18 |
| Challenge to a surfer | 21 |
| Challenge to ambulance chasers | 30 |
| Challenge to an old sheriff | 27 |
| Challenge to climbers | 21 |
| Challenge to Congress | 21 |
| Challenge to Moses | 18 |
| Challenge to Sir Noel | 21 |
| Challenge to __ | 15 |
| Challenge to ___ | 16 |
| Challenge word | 14 |
| 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 |