Coral formation
The crossword clue "Coral formation" is answered by REEF, a 4-letter entry. Used 107 times across 34 distinct years; most recently in 2026; first recorded in 1960. It appears in 20 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
REEF
4 letters. See every clue for this answer on the REEF answer page.
Used 107 times across 34 distinct years; most recently in 2026; first recorded in 1960. It appears in 20 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this collection link to their own answer page.
Other clues for REEF
Every other clue in this collection answered by REEF, most used first.
- Coral ridge - used 42 times, most recently in 2026
- Great Barrier ___ - used 39 times, most recently in 2026
- Snorkeling site - used 38 times, most recently in 2026
- Coral structure - used 34 times, most recently in 2026
- Sailing hazard - used 24 times, most recently in 2025
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- Sand formation - DUNE, used 30 times
- Flat formation - MESA, used 24 times
- Flat-topped formation - MESA, used 24 times
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