easy
It is impossible to finish the puzzle without all the pieces.
What does Impossible mean?
Impossible means not possible.
Dictionary definition
Not able to happen, be done, or be true.
Example sentences
Impossible in a sentence
medium
The task seemed impossible until the team made a plan.
hard
In stories, characters often try to solve problems that first appear impossible.
Writing practice
Ready to write your own? Study the examples, then practice impossible in a sentence with Sentence Builder checklist feedback.
Quick practice
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Practice the meaning of Impossible
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does impossible mean?
Impossible means not possible.
Practice 2
Which word or phrase is closest in meaning to impossible?
unachievable is close in meaning to impossible in this context.
Practice 3
Which sentence uses impossible correctly?
This sentence uses impossible with its correct meaning.
Practice complete
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Pronunciation coach
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Impossible
Voice settings
Sounds like
im · pos · uh · bul · strongest beat: pos
Tap each sound part, then blend the whole word together.
Learn
WordImpossible.
Partadjective.
MeaningImpossible means not possible.
ExampleExample: It is impossible to finish the puzzle without all the pieces.
Word breakdown
4 syllables. Say each part, then blend the word.
- Syllables
- im · pos · uh · bul
- Strongest beat
- pos
- Ending
- bul
- Tip
- Put a little extra energy on pos.
Your turn
Say Impossible
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Nice work—you practiced impossible.
Synonyms
Words like Impossible
unachievableNot able to be done.
unlikelyNot expected to happen.
Antonyms
Opposite words
possibleAble to happen or be done.
achievableAble to be reached or completed.
Synonym practice
Want to practice impossible synonyms in context? Try a Synonym Search question like "It was impossible to finish the puzzle in one minute," then compare close word choices. Practice impossible synonyms.
Word family
Impossible word family
Base word
impossible
adjective
impossible
Base form.
adverb
impossibly
In a way that seems impossible.
noun
possibility
Something that can happen.
Related words
Explore related words
Student support
Understand Impossible
Hint for students
Impossible means not possible.
Common mix-up
Impossible is not the same as possible. Impossible means impossible means not possible.
Try it in class or at home
Read this model sentence: The task seemed impossible until the team made a plan. Clue words: task, seemed, until. Underline clue words that show why impossible fits instead of possible. Now write one new sentence that shows impossible without using the word impossible. Ask: Does my sentence clearly show impossible?
Teacher prompt
Ask students to explain this model sentence: "The task seemed impossible until the team made a plan." Why does impossible fit better than possible?
Learning activities
Practice Impossible and explore more word games
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Practice IMPOSSIBLE
Sentence Builder
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Vocabulary Match
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Context Clue Challenge
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Practice IMPOSSIBLE
Synonym Search
Compare meanings in a question that includes IMPOSSIBLE.
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