Sign of corrosion Crossword Clue

We have the 4-letter answer for Sign of corrosion crossword clue, last seen in the Daily Themed Crossword October 19, 2025 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.

Sign of corrosion Crossword Answer

↓9.

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Helpful Hints

(noun)
1. the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
2. any of various fungi causing rust disease in plants
(adjective)
1. of the brown color of rust
(verb)
1. become destroyed by water, air, or a corrosive such as an acid
2. cause to deteriorate due to the action of water, air, or an acid

Hint 2: Clue Definitions

CORROSION (noun)
1. erosion by chemical action
2. a state of deterioration in metals caused by oxidation or chemical action
SIGN (noun)
1. structure displaying a board on which advertisements can be posted
2. a perceptible indication of something not immediately apparent (as a visible clue that something has happened)
SIGN (verb)
1. mark with one’s signature; write one’s name (on)
2. make the sign of the cross over someone in order to call on God for protection; consecrate
SIGN (adjective)
1. used of the language of the deaf

Hint 3: Anagram

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

More Daily Themed Crossword (10/19/2025) Answers

Across

1. Power ___ (quick snooze)

4. Squish, as a potato

8. Con's counterpart

11. Roman numeral three

12. Result of a brainstorm, perhaps

13. ___ the wrong way (irritate)

14. __-K (school for toddlers)

15. Grassy expanse in the garden

16. Valentine's Day flower

17. "S" in GPS

19. ___ Boo, musician whose name and debut album, "Boomania" are packed with spooky boos!

20. Horse's cousin that brays

21. ___ camp (starting point for mountaineers)

22. "The Boo Boo ___," rhyme by Cocomelon that could spook you with its "boo boo" if you're not paying attention to the lyrics

25. ___ Tin Tin (canine superstar)

26. Now ___ seen everything!

29. Like some wintry streets

30. Baseball accessory

31. Actor Cage of "City of Angels," to fans

32. Booboo ___, actor of the eerie "Twilight" series which compliments his spooky "boo" nickname

35. "This comes ___ surprise to me": 2 wds.

36. XXX counterpart, in tic-tac-toe

37. Short-lived craze

39. Process of childbirth

42. Necklace attachment

46. "Break ___!" ("Good luck!"): 2 wds.

47. Pink Floyd's "Wish You Were ___"

48. "Thanks for the loan" letters

49. E. ___ bacteria (food poisoning cause, often)

50. Boo-boo ___, Hanna-Barbera character known for his kind nature ... maybe just the sort to jump at a gentle "boo"

51. Office PC linkup Abbr.

52. Prefix with "phone" or "graph"

53. The Sooner State, for short

54. ___ Na Na, band that was featured in "Grease"

All Answers

Down

1. Gentle bites, as from a pup (rhymes with "tips")

2. Windy, like a well-ventilated room

3. Stuffed and baked apple desserts

4. "...and ___ to go before I sleep" (Robert Frost line)

5. ___ apple (neck feature)

6. Use a needle and thread, say

7. ___ Solo, Harrison Ford's character

8. Nutrients found in meat, fish, and eggs

10. Follow orders

16. Hi-___ (sharply detailed)

18. Price indicator

19. Declare illegal, say

21. Kate Hudson's "A Little ___ of Heaven"

22. Bella Hadid, to Gigi Hadid, for short

23. Tenth month, for short

24. Bill ___, TV's "Science Guy"

25. Sewer squealer

27. ___ Diesel of "Fast & Furious"

28. ___-warrior (green activist)

30. Anwar Hadid, to Gigi Hadid, for short

33. Boogie-___, lively swing dance style that's as energetic as someone springing up at a sudden "boo"

34. "___ B?" ("Pick one"): 2 wds.

35. Put in, as ingredients

37. Wild and untamed

38. "End of ___" (great period): 2 wds.

39. Prefix meaning "milk"

40. ___ vera (herbal gel)

41. Sylvia Plath's "The ___ Jar"

42. ___-a-boo, the timeless toddler's game of hiding your face, then popping out to say "boo!"

43. Has bodily troubles

44. "The Daily Show" former host Trevor ___

45. Bluefin, e.g

47. "House of the Dragon" network Abbr.

All Answers