easy
She wore a blue hat.
What does Blue mean?
Blue is a color like the sky or ocean.
Dictionary definition
A color like the clear sky or deep ocean.
Example sentences
Blue in a sentence
medium
The lake looked blue under the bright sun.
hard
The artist used blue paint to make the picture feel calm and cool.
Writing practice
Ready to write your own? Study the examples, then practice blue in a sentence with Sentence Builder checklist feedback.
Quick practice
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Practice the meaning of Blue
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does blue mean?
Blue is a color often seen in the sky or ocean.
Practice 2
Which word can describe a shade of blue?
Navy is a dark shade of blue.
Practice 3
Which sentence uses blue correctly?
Blue can describe the color of the sky.
Practice complete
Nice work!
You completed 3 questions.
Pronunciation coach
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Blue
Voice settings
Sounds like
BLOO
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Tap each sound part, then blend the whole word together.
BLOO
Learn
WordBlue.
Partadjective, noun.
MeaningBlue is a color like the sky or ocean.
ExampleExample: She wore a blue hat.
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Say Blue
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Nice work—you practiced blue.
Synonyms
Words like Blue
azureUse for a bright sky-blue color.
navyUse for a very dark shade of blue.
Antonyms
Opposite words
orangeA contrasting color often paired opposite blue on a color wheel.
warm colorA contrast to blue, which is often described as a cool color.
Synonym practice
Want to practice blue synonyms in context? Try a Synonym Search question like "The clear sky looked azure above the playground," then compare close word choices. Practice blue synonyms.
Word family
Blue word family
Base word
blue
adjective
bluer
More blue.
adjective
bluest
Most blue.
adjective
bluish
Somewhat blue.
Related words
Explore related words
Student support
Understand Blue
Hint for students
Blue is a color like the sky or ocean.
Common mix-up
Do not use blue just because it sounds familiar. Make sure the sentence matches this meaning: Blue is a color like the sky or ocean.
Try it in class or at home
Read this model sentence: The lake looked blue under the bright sun. Clue words: lake, looked, under. Underline clue words that show why blue fits instead of orange. Now write one new sentence that shows blue without using the word blue. Ask: Does my sentence clearly show blue?
Teacher prompt
Ask students to explain this model sentence: "The lake looked blue under the bright sun." Why does blue fit better than orange?
Learning activities
Practice Blue and explore more word games
Cards labelled “Practice BLUE” keep this word in focus. Explore cards open games with other words.
Practice BLUE
Sentence Builder
Write your own sentence with this word and revise with checklist feedback.
Write a sentence with BLUE
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.
Rebuild words