easy
Our solar system is part of the Milky Way galaxy.
What does Galaxy mean?
an enormous star system, or an impressive group of notable people or things.
Dictionary definition
An enormous system of stars, gas, dust, dark matter, and other objects held together by gravity; galaxy can also describe an impressive group of notable people or things.
Example sentences
Galaxy in a sentence
medium
Astronomers used a powerful telescope to study a distant galaxy.
hard
A galaxy can contain billions of stars, along with clouds of gas and dust.
hard
The festival brought together a galaxy of talented young performers.
Writing practice
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Quick practice
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Practice the meaning of Galaxy
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What is a galaxy?
A galaxy is a vast gravitationally bound system containing stars, gas, dust, dark matter, and more.
Practice 2
Which sentence uses galaxy correctly?
The Milky Way is the galaxy containing our solar system.
Practice 3
Choose the best word: Something occurring between galaxies is _____.
The prefix inter- means between, so intergalactic means between galaxies.
Practice complete
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Galaxy
Voice settings
Sounds like
gal · uk · see · strongest beat: gal
Tap each sound part, then blend the whole word together.
Learn
WordGalaxy.
Partnoun.
MeaningGalaxy means an enormous star system, or an impressive group of notable people or things.
ExampleExample: Our solar system is part of the Milky Way galaxy.
Word breakdown
3 syllables. Say each part, then blend the word.
- Syllables
- gal · uk · see
- Strongest beat
- gal
- Ending
- see
- Tip
- Put a little extra energy on gal.
Your turn
Say Galaxy
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Synonyms
Words like Galaxy
worldA close synonym only for the figurative sense of a distinct sphere or realm, not for an astronomical galaxy.
arrayA close synonym only when galaxy means an impressive group of notable people or things.
Antonym review
Does Galaxy have an opposite?
Galaxy names an astronomical system or, figuratively, an impressive group and has no direct antonym. A single star and relatively empty space are contrasts in scale or contents, not opposites.
Synonym practice
Want to practice galaxy synonyms in context? Try a Synonym Search question like "The galaxy held millions of stars," then compare close word choices. Practice galaxy synonyms.
Word family
Galaxy word family
Related words
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Student support
Understand Galaxy
Hint for students
In astronomy, a galaxy contains enormous numbers of stars; figuratively, a galaxy can be an impressive group.
Common mix-up
A galaxy is not the same as a solar system. A solar system centers on one star, while an astronomical galaxy contains vast numbers of stars and their systems.
Try it in class or at home
Students build nested paper circles labeled Earth, solar system, Milky Way galaxy, and universe. On each layer they write what it contains and use the finished model to explain the word galaxy.
Teacher prompt
Place Earth, the solar system, the Milky Way, and the universe in order from smallest setting to largest. Where does galaxy fit?
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Learning activities
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