easy
I found one blue marble.
What does One mean?
One means the number 1 or a single thing.
Dictionary definition
The number 1, or a single person or thing.
Example sentences
One in a sentence
medium
One student read the first sentence aloud.
hard
The word one can point to a single item or stand in for a noun.
Writing practice
Ready to write your own? Study the examples, then practice one in a sentence with Sentence Builder checklist feedback.
Quick practice
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Practice the meaning of One
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does one mean?
One means the number 1 or a single thing.
Practice 2
Which sentence uses one correctly?
The correct sentence shows the meaning of one in context.
Practice 3
Which word is a helpful opposite or contrast for one?
Many contrasts with one.
Practice complete
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You completed 3 questions.
Pronunciation coach
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One
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wun
Learn
WordOne.
Partdeterminer, pronoun.
MeaningOne means the number 1 or a single thing.
ExampleExample: I found one blue marble.
Your turn
Say One
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Nice work—you practiced one.
Synonyms
Words like One
singleUse for only one thing.
individualUse for one separate person or thing.
Antonyms
Opposite words
Synonym practice
Want to practice one synonyms in context? Try a Synonym Search question like "Mia placed one sticker on the chart," then compare close word choices. Practice one synonyms.
Word family
One word family
Related words
Explore related words
Learning activities
Practice One and explore more word games
Cards labelled “Practice ONE” keep this word in focus. Explore cards open games with other words.
Practice ONE
Sentence Builder
Write your own sentence with this word and revise with checklist feedback.
Write a sentence with ONE
Explore · Spelling
Spell Hive
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Explore · Definitions
Define the Word Hive
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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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