The clue "River mouth formation" last appeared in the Newsday crossword on December 10, 2025. The correct answer for this puzzle is "DELTA", a 5-letter word.
Solution DELTA is 5 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is DELTA with 5 letters, and the shortest is DELTA with 5 letters.
No, "RIVER MOUTH FORMATION" hasn´t seen a spike right now. Solvers are most interested in: Hackneyed phrase, Precarious, Significant, Throw and Laugh riot.
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The solution is 5 letters long.