Speed-of-sound word Crossword Clue

We have the 4-letter answer for Speed-of-sound word crossword clue, last seen in the USA Today Crossword September 8, 2025 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.

Speed-of-sound word Crossword Answer

↓32.

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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 (9/8/2025) Answers

Across

1. They might grade exams for profs

4. Outlaw

7. Make cookies

11. Ginger ___

12. "Common People" band

13. Exists

14. ___ be an honor

15. Slip up

16. Actor's representative

17. *Proverbial spot for a canary

19. Celebratory online initialism

20. Resonate meaningfully

21. Savor a compliment

25. Flash of inspiration

26. *Pac-Man or Donkey Kong

28. Cards' city

30. Zone

31. Navigation tech

32. Type of parrot

35. Docs' degrees

36. "Tin Cup" star Rene

38. ___ carte

39. Off-Broadway award

41. Georgia airport code

42. *Ben Stiller, e.g.

45. Disney World transport

49. Budget accommodations

50. Display in a shoebox, perhaps

52. Country that will host the 2028 Olympics . . . and a collective description of the letter pair abbreviations in the starred clues' answers

54. Knee or elbow

57. Sign between Pisces and Taurus

58. Caribou relative

59. Rods that connect wheels

60. Small criticisms

61. Cube with 21 pips

62. Stir-frying pans

63. "L.A. Law" actor Susan

64. Merlot, e.g

All Answers

Down

1. Martial art with slow movements

2. Curiously strong mint

3. Tranquil

4. Disposable phone

5. Skin-soothing gel

6. All Things Considered network

7. VIP

8. Wide st.

9. "Jeopardy!" host Jennings

10. Ballpark fig

12. Like some fears or instincts

13. Barista's designs

15. Angsty music genre

18. __ apso (dog breed)

19. Disappear gradually

21. Corn servings

22. Clothing labels

23. Softball officials

24. Currency in the Philippines

27. "___ Kelly" (2002 film set in a military academy)

29. "Value" of an unsolicited opinion

33. Saag ___ (spinach-and-potato dish)

34. Video recorders, for short

35. Lead singer's prop

37. Prefix similar to 'uber-'

40. Island near Java

41. Comes up

43. Apple Music precursor

44. Weird thing

46. Like many scary movies

47. 2001 title role for Audrey Tautou

48. Like the singers on a Fox singing competition show

51. Extra NFL periods

53. Great Lake near Niagara Falls

54. Skull part

55. Palindromic kitchen brand

56. Variety

All Answers