Is STACK a Wordle Word?

Yes. STACK is a valid Wordle word.

It was the Wordle answer on October 11, 2025 (#1575).

Since February 2026, Wordle sometimes reuses past answers, so it could be the answer again.

What does STACK mean?

/stæk/

11 more noun definitions

A generalization of schemes in algebraic geometry and of sheaves.
A coastal landform, consisting of a large vertical column of rock in the sea.
(library) Compactly spaced bookshelves used to house large collections of books.
A large amount of an object.“They paid him a stack of money to keep quiet.”
A pile of rifles or muskets in a cone shape.
The amount of money a player has on the table.
(heading) In architecture.
A fall or crash, a prang.
A blend of various dietary supplements or anabolic steroids with supposed synergistic benefits.
A holding pattern, with aircraft circling one above the other as they wait to land.
The quantity of a given item which fills up an inventory slot or bag.“I've got 107 Golden Branches, but the stack size is 20 so they're taking up 6 spaces in my inventory.”

To arrange in a stack, or to add to an existing stack.“Please stack those chairs in the corner.”
To arrange the cards in a deck in a particular manner.“This is the third hand in a row where you've drawn four of a kind. Someone is stacking the deck!”
To take all the money another player currently has on the table.“I won Jill's last $100 this hand; I stacked her!”

5 more verb definitions

To deliberately distort the composition of (an assembly, committee, etc.).“The Government was accused of stacking the parliamentary committee.”
To crash; to fall.“Jim couldn′t make it today as he stacked his car on the weekend.”
To operate cumulatively.“A magical widget will double your mojo. And yes, they do stack: if you manage to get two magical widgets, your mojo will be quadrupled. With three, it will be octupled, and so forth.”
To place (aircraft) into a holding pattern.
To collect precious metal in the form of various small objects such as coins and bars.

Definition from Wiktionary, available under the CC BY-SA license.

Starter word rating: WeakIn the top 44% of all valid Wordle words for testing common letters.
Vowels: A
Unique letters: 5 of 5
Common letters: T, A

Hard-mode trap: 7 valid words fit the pattern S_ACK. If you reach it, you may need several guesses to find the last letter.

Letter ratings use how often each letter appears in Wordle answers.

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