The clue "Base's opposite" last appeared in the USA Today crossword on April 11, 2025. The correct answer for this puzzle is "ACID", a 4-letter word.
Solution ACID is our most searched for solution by our visitors. Solution ACID is 4 letters long. We have 0 further solutions of the same word length.
There are 2 solutions. The longest is SUMMIT with 6 letters, and the shortest is ACID with 4 letters.
Yes, clue "BASE'S OPPOSITE" is trending right now (last checked on 12 Dec 2025). It seems to be puzzling a lot of people!
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Solutions are between 4 and 6 letters long.