The clue "Acid's opposite" last appeared in the USA Today crossword on February 7, 2025. The correct answer for this puzzle is "BASE", a 4-letter word.
Solution BASE is our most searched for solution by our visitors. Solution BASE is 4 letters long. We have 0 further solutions of the same word length.
There are 2 solutions. The longest is ALKALI with 6 letters, and the shortest is BASE with 4 letters.
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Solutions are between 4 and 6 letters long.