Caustic Crossword Clue

We have the 6-letter answer for Caustic crossword clue, last seen in the Newsday Crossword October 30, 2025 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.

Caustic Crossword Answer

↓10.

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MORDANT

(7 letters)

ACRID

(5 letters)

ACID

(4 letters)

Helpful Hints

(noun)
1. the taste experience when quinine or coffee is taken into the mouth
2. the property of having a harsh unpleasant taste
(adjective)
1. causing a sharply painful or stinging sensation; used especially of cold
2. harsh or corrosive in tone
(adverb)
1. extremely and sharply
(verb)
1. make bitter

Hint 2: Clue Definition

CAUSTIC (adjective)
1. of a substance, especially a strong acid; capable of destroying or eating away by chemical action
2. harsh or corrosive in tone
CAUSTIC (noun)
1. any chemical substance that burns or destroys living tissue

Hint 3: Other Answers Used in the Past

MORDANT
(7 letters)
ACRID
(5 letters)
ACID
(4 letters)

More Newsday Crossword (10/30/2025) Answers

Across

1. Like tough guys

6. Weather stat

10. Allow antonym

13. Studio alert

14. Stowed stuff

15. Victor's cry

17. Gaffe

20. Perceive from afar

21. Heart's parts

22. Address angrily

26. Acknowledged silently

28. Catherine Parr, for about 19 months

31. Argues for

32. Betrays fear

33. Grammy category

36. B-boy connection

37. Soft tennis shots

38. Cotton quantity

39. Head word of a state capital

40. Branch of Islam

41. German exports

42. Pleasantly lively

44. Concurrences

47. Poe's autograph, e.g.

48. __ Vista, CA

49. Town near Santa Fe

51. Letters traceable to Greek

58. Reiterate

59. Set at a shop

60. John who's got an EGOT

61. Common reuniongoers

62. Short-music ending

63. Deter

All Answers

Down

1. Soft shoe

2. Santa __ Mountains

3. Freight carrier

4. Scurry, old-style

5. It's east of Le Mans

6. Peanut butter amt.

7. No hardnose

8. Amazon __ Studios

9. Inflation stat.

11. Tangible honor

12. Microsoft Mobile, formerly

16. Deftly done

18. First opened: Abbr.

19. Sets aside

22. Small military unit

23. Consume slowly

24. Sponsorship

25. Spherical pounder

26. Casual patron

27. Very long time

29. Speculates orally

30. "Are ya up for it?"

33. Lines on pie charts

34. In-crowd

35. Hard to ditch

37. Conveyer of cool

38. Scottish accent

40. Red Sea adjoiner

41. Ill at ease

42. Trafalgar Square honoree

43. Cast aside

44. What a lot might be

45. Open, as oysters

46. Bar food

49. Lemonlike

50. ___ mater

52. Brutish bruiser

53. End up with

54. Trying to follow

55. Horsepower fraction

56. Very long time

57. Cause of many blowups

All Answers