___ 1 (speed of sound) Crossword Clue

We have the 4-letter answer for ___ 1 (speed of sound) crossword clue, last seen in the USA Today Crossword December 5, 2025 puzzle. This answer will help you finish the puzzle you’re working on.

___ 1 (speed of sound) Crossword Answer

↓46.

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Helpful Hints

(noun)
1. Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916)

Hint 2: Clue Definitions

SOUND (noun)
1. (phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language
2. the subjective sensation of hearing something
SOUND (adjective)
1. logically valid
2. having legal efficacy or force
SOUND (verb)
1. measure the depth of (a body of water) with a sounding line
2. make a certain noise or sound
SPEED (noun)
1. a rate (usually rapid) at which something happens
2. a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
SPEED (verb)
1. cause to move faster
2. move hurridly

Hint 3: Anagram

Unscramble the letters below to solve for today's answer.
CHAM

More USA Today Crossword (12/5/2025) Answers

Across

1. Mountain range where the Dolomites are found

5. Opposite of haram

10. Male sheep

13. Red veggie in borscht

14. Not oblivious

15. Red Rover, e.g.

16. "You're betraying me too?!"

17. Diatribes

18. They might be easily bruised

19. Lacking a leader, say?

20. Promotional trips involving multiple media outlets

22. Like most candy canes

24. Young child

25. Asparagus units

26. Many "Wheel of Fortune" puzzles

30. Group of top-tier celebs

31. Home of the Oriental Pearl Tower

32. Drink slowly

33. Cuddle, in a way

35. Suffix tacked on to indicate "most"

36. Set of beliefs

39. Mediterranean island nation where giant swans once lived

41. "Ugly Betty" star America

42. “Severance” executive producer Ben

44. Honeycomb creator

45. "Not all those who ___ are lost"

46. E, G, B, D and F, e.g.

51. Paradise

53. Behave as required

54. Like a canceled NASA launch

55. This is one

56. Soothing substance

57. Pulls

58. Body part traced to make a turkey, in a kid's craft project

59. See-through

60. Site with custom goods

All Answers

Down

1. Illegally helps

2. Decide not to make an issue of something

3. Pickled pepper picker, in a tongue twister

4. Prepares for a test

5. "To Kill a Mockingbird" author Lee

6. Emmys and Oscars

7. Swimming pool division

8. Word after "language" or "graphic"

9. <

10. Pasta sauce brand

11. Spanish for "love"

12. Hot ___ (chaotic situation)

15. Bit of metadata

21. Unable to choose

23. ___ on the back

26. Noodle soup that can be made with cilantro

27. Paid

28. Plastic objects in some spring baskets

29. Plucked instrument with sympathetic strings

30. "Ha, yeah, right!"

31. What miso is made of

33. Post-workout feeling, often

34. ___ Tour (sports org.)

37. Traveled like a satellite

38. Parasitic creature

39. Sixty secs.

40. Like firm spaghetti

42. Narrowly avoid a banana peel in Mario Kart, perhaps

43. Person who samples foods

47. SoCal school

48. Amaze

49. Moonfish

50. Story

52. Overly curious

All Answers