1. Sharp blow to the chest β RIBSHOT
2. Staple in a poke bowl β AHITUNA
3. Titular figure in a scandalous John Singer Sargent portrait β MADAMEX
4. Maintains β AVERS
5. Negative impression β DENT
6. Sports org. in the 2024 film "Challengers" β ATP
7. Longship builders β NORSEMEN
8. Intoxicates β BESOTS
9. ___ Farnsworth, inventor dubbed "The Father of Television" β PHILO
10. Treasure hunter's find β LODE
11. La ___ (leading Belgian French-language TV channel) β UNE
12. Mocap suit components β SENSORS
13. Break character? β ESCAPEE
14. Slender hospital tools β STYLETS
16. Especially gratifying, so to speak β BETTERTHANSEX
22. Done-up dos β GALAS
23. Eastern lines β HAIKU
25. Very iffy β DICEY
26. They might go faster with zinc β COLDS
28. Suspect β FISHY
29. British slang for a police car β PANDA
31. Improviser at a workbench β TINKERER
32. Cursed vibe β BADMOJO
33. Call at the plate? β ORDERUP
34. Geometry term from the Greek for "uneven" β SCALENE
36. Application for smoother shifting β GEAROIL
37. Even, or nearly so, at Wimbledon β ONSERVE
38. NaΓ―ve-looking, in a way β DOEEYED
40. Transaction with no money down β BARTER
43. Leader of the Afrofuturistic jazz collective Arkestra for almost four decades β SUNRA
44. Seat fillers β BUTTS
46. Greenhorn, informally β NOOB
47. Oldest four-letter papal name β PIUS
49. Call in a card game β GIN
50. Early major producer of vacuum tubes β RCA