easy
I made a stack of books on the desk.
What does Stack mean?
a pile, or to put things in a pile.
Dictionary definition
A pile of things placed one on top of another, or to put things in a pile.
Example sentences
Stack in a sentence
medium
Please stack the papers neatly after class.
hard
A stable stack needs the largest items near the bottom.
Writing practice
Ready to write your own? Study the examples, then practice stack in a sentence with Sentence Builder checklist feedback.
Quick practice
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Practice the meaning of Stack
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does stack mean?
A stack is a pile, and to stack means to put things in a pile.
Practice 2
Which word is closest in meaning to stack?
Pile is close in meaning to stack.
Practice 3
Which word is a useful contrast for stack?
Scatter contrasts with stack.
Practice complete
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You completed 3 questions.
Pronunciation coach
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Stack
Voice settings
Sounds like
STAK
Listen, then repeat the word.
Tap each sound part, then blend the whole word together.
STAK
Learn
WordStack.
Partnoun, verb.
MeaningStack means a pile, or to put things in a pile.
ExampleExample: I made a stack of books on the desk.
Your turn
Say Stack
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Coach
My attempt
Ready when you are.
Nice work—you practiced stack.
Synonyms
Words like Stack
Antonyms
Opposite words
Synonym practice
Want to practice stack synonyms in context? Try a Synonym Search question like "A stack of books sat on the desk," then compare close word choices. Practice stack synonyms.
Word family
Stack word family
Base word
stack
noun
stacks
More than one stack.
verb
stacked
Put in a stack in the past.
verb
stacking
Putting things in a stack now.
Related words
Explore related words
Student support
Understand Stack
Hint for students
a pile, or to put things in a pile.
Common mix-up
Stack does not always mean pile. In some sentences, it means put things in a pile.
Try it in class or at home
Write two short sentences that use stack in different ways. Underline the clue words that show which meaning is being used. Example: Please stack the papers neatly after class. Clue words: papers, neatly, class. Ask: Which meaning of stack does my sentence show?
Teacher prompt
Ask students to compare meanings of stack in this model sentence: "Please stack the papers neatly after class." Which meaning fits, and what context clues prove it?
Learning activities
Practice Stack and explore more word games
Cards labelled “Practice STACK” keep this word in focus. Explore cards open games with other words.
Practice STACK
Sentence Builder
Write your own sentence with this word and revise with checklist feedback.
Write a sentence with STACK
Explore · Spelling
Spell Hive
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Practice spelling
Explore · Definitions
Define the Word Hive
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Practice definitions
Explore · Matching
Vocabulary Match
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Match meanings
Explore · Context
Context Clue Challenge
Use sentence clues to choose the word that fits the meaning.
Use context clues
Explore · Scramble
Scrambled Bees
Rebuild words from mixed-up letters for spelling practice.
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