| SQUARETHECIRCLE | *Solve an apparently impossible problem, as it were |
| SWEATIER | More sticky problem, as it were (8) |
| TWENTYTWO | Impossible problem getting catch on this rugby line |
| HARMONIC | Last pick-me-up doesn't start to cause a problem, as it doesn't strike a sour note (8) |
| UCCELLO | Florentine painter Paolo who studied "impossible problems of perspective," per Giorgio Vasari |
| DEADENDJOB | Position where you're trying to solve an impossible maze? |
| UNSCRAMBLE | Solve (an anagram?) (10) |
| UNO | Card game created to help solve an argument about Crazy Eights |
| HYPERION | This moon is notable in that it has no regular rotation period but tumbles in an apparently random fashion in its orbit. It was discovered in 1848 by the American astronomers William Bond and George B |
| GOOGLY | An off break bowled with an apparently leg break action (6) |
| CATCH | A hidden problem in an apparently ideal situation (5) |
| SERIALMOM | 1994 black comedy crime thriller starring Kathleen Turner as an apparently ordinary Baltimore housewife |
| GLUTTON | From "devour, greedy, swallow, throat", word for a belly-god, gannet, gobbler, gormandiser or guts; or, an apparently voracious animal, such as the wolverine (7) |
| SPOON | One who is foolishly or mawkishly amorous; or, a utensil traditionally presented as a booby prize to an apparently wooden-headed candidate who came last in the Cambridge mathematical tripos (5) |
| LAZYEYE | An apparently healthy but impaired looker? (4,3) |
| WIDOWSCRUSE | An apparently small supply that proves or seems inexhaustible |
| STRUTTED | Walked with an apparently arrogant gait (8) |
| TOOTSIEPOP | Treat with an apparently unsolvable licking paradox |
| LANDOFNOD | An apparently agreeable place to be out? |
| APPERTAIN | Relate to an apparently certain evacuation (9) |