NOUN: "something (such as a puzzle) that demands mental effort and acuity for its solution" Crossword Clue

We have the 11-letter answer for NOUN: "something (such as a puzzle) that demands mental effort and acuity for its solution" crossword clue, last seen in the Missing Letter Crossword February 25, 2026 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.

NOUN: "something (such as a puzzle) that demands mental effort and acuity for its solution" Crossword Answer

↓3.

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Helpful Hints

Hint 1: Clue Definitions

SOLUTION (noun)
1. a statement that solves a problem or explains how to solve the problem
2. the set of values that give a true statement when substituted into an equation
SOMETHING (noun)
1. An indeterminate or unknown event.
2. A substance or material thing, unknown indeterminate or not specified.

More Missing Letter Crossword (2/25/2026) Answers

Across

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Down

1. London or San Francisco cover

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24. NOUN: "a game resembling bingo"

25. Chart type

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28. Common street name

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