We have the 4-letter answer for Back of an envelope crossword clue, last seen in the Newsday Crossword September 15, 2026 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.
Back of an envelope Crossword Answer
Find more clues, hints, and info below.
Find more clues, hints, and info below.
Helpful Hints
- (noun)
- the motion made by flapping up and down
- a movable airfoil that is part of an aircraft wing; used to increase lift or drag
- (verb)
- move with a flapping motion
- make a fuss; be agitated
- ENVELOPE (noun)
- the bag containing the gas in a balloon
- a curve that is tangent to each of a family of curves
- BACK (noun)
- a support that you can lean against while sitting
- the side that goes last or is not normally seen
- BACK (verb)
- give support or one’s approval to
- establish as valid or genuine
- BACK (adverb)
- in or to or toward a past time
- at or to or toward the back or rear
- BACK (adjective)
- located at or near the back of an animal
- of an earlier date
More Newsday Crossword (9/15/2026) Answers
Across
13. Airline vehicle
14. Clarinet insert
17. Fence rails
23. Lab maze runner
35. Very shortly
36. Slightest trace
45. Mall tenants
46. Good friend
56. Rescue
57. Chair or sofa
58. Serving of pie
59. Watches closely
61. Owl's claw
62. Freight weights
63. Roofing material
64. Paid out
Down
8. Mexican coin
9. Wise adage
11. Pull from behind
12. Secret agent
21. __ Vegas, NV
26. Earlier in time
28. Competent
30. __ and aahs
35. Takes a chair
36. In that case
38. Pragmatic person
46. Push as a button
49. Tied, as a score
51. Formal party
54. Clickable image
55. Penny
Back of an envelope Crossword Clue Q&A
- When was Back of an envelope crossword clue used most recently?
- This clue was last seen in the September 15, 2026's Newsday Crossword.
- What was the most recent answer for Back of an envelope crossword clue?
- The most recent answer for the clue is FLAP
- What is the 4-letter answer for Back of an envelope crossword clue?
- FLAP
- When has Back of an envelope crossword clue been used historically?
That should be all the information you need to solve for the Back of an envelope crossword clue! Be sure to check more clues on our Crossword Answers.