Billion-year periods Crossword Clue
Looking for the answer to “Billion-year periods” from the Washington Post Sunday crossword of March 29, 2026? It has 4 letters. Flip the tiles one at a time, try a hint first, or look through the rest of that puzzle.
Crossword answer
WASHINGTON POST SUNDAY, MARCH 29, 2026
Tap a tile to see one letter, or show the whole answer.
EONS is the answer to “Billion-year periods”. It means an indefinitely long period of time.
Hints
Three clues to the answer, gentle first. Open one at a time.
Hint 1 Meaning
An indefinitely long period of time.
Hint 2 Anagram
Its letters, scrambled: OESN.
Hint 3 Another clue
It has also been clued as “Ages”.
More clues from the Washington Post Sunday (March 29, 2026)
Across
- 1. Apt answer for this location in the puzzle5 letters, starts with SSTART
- 6. Off on a dragon adventure?4 letters, starts with SSLAY
- 10. "Not ___ those who wander are lost" (line from a Tolkien poem)3 letters, starts with AALL
- 13. Defeat decisively5 letters, starts with SSPANK
- 18. Hardly hard course5 letters, starts with EEASYA
- 19. ___ Palace (attraction in Sintra, Portugal)4 letters, starts with PPENA
- 20. Sugarloaf Mountain city3 letters, starts with RRIO
- 21. Like the Jicarilla band6 letters, starts with AAPACHE
- 22. *Chance for new teams to select players from other teams (3)14 letters, starts with EEXPANSIONDRAFT
- 25. Like a huge mistake6 letters, starts with CCOSTLY
- 26. Yellow jacket's weapon7 letters, starts with SSTINGER
- 27. "Love is blind," "Time is money," etc.6 letters, starts with AADAGES
- 28. Computer command preceding 14 Down3 letters, starts with CCUT
- 29. Behavioral idiosyncrasy3 letters, starts with TTIC
- 30. "Wednesday" werewolf ___ Sinclair4 letters, starts with EENID
- 32. Back in the past3 letters, starts with AAGO
- 33. Picks up7 letters, starts with DDETECTS
- 37. "Special" activities3 letters, starts with OOPS
- 38. How one might run while in a hurry4 letters, starts with LLATE
- 39. *Programming problem that occurs repeatedly? (2)11 letters, starts with EENDLESSLOOP
- 42. Places with guest lists6 letters, starts with HHOTELS
- 44. Billion-year periods4 letters, starts with EEONS
- 45. Constricting reptile3 letters, starts with BBOA
- 46. Humane org. serving nonhumans4 letters, starts with SSPCA
- 49. One who may put in a good word for you?6 letters, starts with EEDITOR
- 52. Milo in "The Adventures of Milo and Otis," e.g.3 letters, starts with CCAT
- 53. Scrumdiddlyumptious5 letters, starts with TTASTY
- 55. Contract conditions5 letters, starts with TTERMS
- 57. Like the tragedy "Oedipus," as written by a Stoic philosopher7 letters, starts with SSENECAN
- 59. Sofa or recliner part3 letters, starts with AARM
- 60. Greek character found in Lake Tahoe?3 letters, starts with EETA
- 61. The rest of the day?3 letters, starts with NNAP
- 64. *Creature believed to have caused a great fire, in an urban legend (3)13 letters, starts with MMRSOLEARYSCOW
- 69. Luke in "Cool Hand Luke," e.g.8 letters, starts with PPRISONER
- 72. ___ Lingus3 letters, starts with AAER
- 73. Become part of an aqueous mixture, say8 letters, starts with DDISSOLVE
- 74. *Peak (1)13 letters, starts with HHIGHWATERMARK
- 77. Got together with3 letters, starts with MMET
- 78. Assist3 letters, starts with AAID
- 79. Tank filler, at times3 letters, starts with OOIL
- 80. Oft-frosted breakfast treat7 letters, starts with PPOPTART
- 82. Going after legally5 letters, starts with SSUING
- 84. "You want a piece of me? Let's go!"5 letters, starts with IITSON
- 87. Sound one would have heard from 64 Across3 letters, starts with MMOO
- 88. Have a hunch?6 letters, starts with SSLOUCH
- 91. Source of oxygen4 letters, starts with TTREE
- 92. "Credit where ___ ..."3 letters, starts with DDUE
- 93. One who may finish on a low note4 letters, starts with BBASS
- 94. The C of the celebrity initialism JCVD6 letters, starts with CCLAUDE
- 96. *Rhyming member of the original inductees to the National Toy Hall of Fame (3)11 letters, starts with EETCHASKETCH
- 101. "I'm down for that"4 letters, starts with SSURE
- 102. Covert message letters3 letters, starts with BBCC
- 105. Brief memoir?7 letters, starts with AAUTOBIO
- 106. Accelerate, as a motor3 letters, starts with RREV
- 108. Pearl Mosque locale4 letters, starts with AAGRA
- 109. Chronological division3 letters, starts with EERA
- 110. "Deets coming some other time"3 letters, starts with TTBD
- 111. Points up at skyscrapers?6 letters, starts with SSPIRES
- 114. Iodine, e.g.7 letters, starts with HHALOGEN
- 116. Digit also known as the hallux6 letters, starts with BBIGTOE
- 119. Losing out on an opportunity ... like this puzzle's starred answers when reading several Down answers that cross them14 letters, starts with MMISSINGTHEBOAT
- 121. Groups that could theoretically include the circled words, if they were a bit larger6 letters, starts with FFLEETS
- 122. Press into service3 letters, starts with UUSE
- 123. Place4 letters, starts with LLIEU
- 124. Washer cycle5 letters, starts with RRINSE
- 125. Emulate any of the circled words ... and what you can spell by taking one letter per circled word5 letters, starts with FFLOAT
- 126. Tank filler, at times3 letters, starts with GGAS
- 127. Dance routine unit4 letters, starts with SSTEP
- 128. Direct, as on the road5 letters, starts with SSTEER
Down
- 1. Takes care of6 letters, starts with SSEESTO
- 2. Accountant's suggestion6 letters, starts with TTAXTIP
- 3. Savory jellied dishes6 letters, starts with AASPICS
- 4. Coogler who won the Best Original Screenplay Oscar for "Sinners"4 letters, starts with RRYAN
- 5. Citrus grove hybrid7 letters, starts with TTANGELO
- 6. Spunky8 letters, starts with SSPIRITED
- 7. Bert Lahr's zodiac sign, appropriately3 letters, starts with LLEO
- 8. Tolstoy's Karenina4 letters, starts with AANNA
- 9. When tripled, "you know the rest"5 letters, starts with YYADDA
- 10. Chlorine's neighbor on the periodic table6 letters, starts with AARAGON
- 11. It's just not true4 letters, starts with LLIFE
- 12. Part of UCLA4 letters, starts with LLOTS
- 13. Kettle's projecting part6 letters, starts with SSPOUTS
- 14. "Insert this sentence from the clipboard" computer command6 letters, starts with PPASTEL
- 15. Have a role to play3 letters, starts with AACT
- 16. Alex Ovechkin's org.3 letters, starts with NNHL
- 17. Item that can help you escape an escape room3 letters, starts with KKEY
- 21. Way of getting in6 letters, starts with AACCESS
- 23. Group that confirms certain appointments6 letters, starts with SSENATE
- 24. Number on a birthday cake4 letters, starts with RRAGE
- 31. Salami slicer sites5 letters, starts with DDELIS
- 33. Fender blemish4 letters, starts with DDENT
- 34. Network airing many NCAA basketball games4 letters, starts with CCOBS
- 35. Child who's two years old, e.g.4 letters, starts with TTOOT
- 36. "You can ___ that again!"4 letters, starts with SSPAY
- 40. Race car adornment5 letters, starts with DDECAL
- 41. Given for a while6 letters, starts with LLOANED
- 42. Denver sandwich meat3 letters, starts with HHAM
- 43. Tulip supporter4 letters, starts with SSTEM
- 46. Two-time NBA MVP Curry5 letters, starts with SSTEPH
- 47. ___ dish (lab vessel)5 letters, starts with PPETRI
- 48. Talk show host Ferguson or Kilborn5 letters, starts with CCRAIG
- 50. Freeway entrance6 letters, starts with OONRAMP
- 51. Goes back to square one7 letters, starts with RRESEATS
- 53. Lovers' arrangements6 letters, starts with TTRYSTS
- 54. "Te ___" ("I love you")4 letters, starts with AAMSO
- 56. Trap via blizzard6 letters, starts with SSNOWIN
- 58. Makeup of a reef6 letters, starts with CCORRAL
- 59. The butt of a British comedian's jokes?4 letters, starts with AARSE
- 62. Quite meticulous4 letters, starts with AANAL
- 63. One profiled on the Purrington Post or Woofington Post3 letters, starts with PPET
- 65. Pool player's asset3 letters, starts with AAIM
- 66. Wild animal's refuge5 letters, starts with CCLAIR
- 67. What a grape grows on5 letters, starts with OOVINE
- 68. Boundary5 letters, starts with WWEDGE
- 70. "Off with you!"4 letters, starts with SSHOO
- 71. Seized cars, for short6 letters, starts with RREPOSE
- 75. Aussie hoppers5 letters, starts with RROOST
- 76. Huge bird of legend4 letters, starts with KKROC
- 81. Oklahoma setting of the TV series "Watchmen"5 letters, starts with TTULSA
- 83. Colorado River Numic language speaker3 letters, starts with UUTE
- 84. Inventor's inspiration4 letters, starts with IIDEA
- 85. "The Nutcracker" outfit4 letters, starts with TTUTU
- 86. Faithful faction4 letters, starts with SSECT
- 87. Chairman of Chinese politics4 letters, starts with MMAKO
- 89. Fully filled in now8 letters, starts with CCAUGHTUP
- 90. "We did it!"6 letters, starts with HHURRAH
- 93. Back halves of 45s6 letters, starts with BBSIDES
- 95. House representatives?7 letters, starts with DDEALERS
- 97. Warming herbal beverage, perhaps6 letters, starts with HHOTTEA
- 98. Who's coach, in a famous skit6 letters, starts with AABBOTT
- 99. Ascends6 letters, starts with CCRISES
- 100. Med. drama sites4 letters, starts with HHERS
- 102. "Off with you!"6 letters, starts with BBEGONE
- 103. Line on folded clothing6 letters, starts with CCREASE
- 104. Horse's three-beat gait6 letters, starts with CCANTER
- 107. Brides' concealers5 letters, starts with VVEILS
- 111. Feeling oh-so satisfied about oneself4 letters, starts with SSMUG
- 112. City where people take photos of tourists "holding up" a tower4 letters, starts with PPISA
- 113. Sulky state4 letters, starts with SSNIT
- 115. Times piece, at times4 letters, starts with OOBIT
- 116. One of your fav ppl3 letters, starts with BBFF
- 117. Out of sorts physically3 letters, starts with IILL
- 118. Nat ___ Wild3 letters, starts with GGEO
- 120. "Fancy that!"3 letters, starts with GGEE
Fresh clues from recent puzzles
Questions
What is the answer to “Billion-year periods”?
EONS, 4 letters: an indefinitely long period of time.
When was “Billion-year periods” last seen in a crossword?
In the Washington Post Sunday crossword of March 29, 2026.
How many letters does the answer have?
4 letters, starting with E.