easy
The child had boundless energy at the park.
What does Boundless mean?
Boundless means without limits or very great.
Dictionary definition
Having no clear limit; very large or endless.
Example sentences
Boundless in a sentence
medium
Her boundless curiosity helped her ask great questions.
hard
The story described a hero with boundless courage during difficult times.
Writing practice
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Quick practice
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Practice the meaning of Boundless
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does boundless mean?
Boundless means having no clear limit or being very large or great.
Practice 2
Which word is closest in meaning to boundless?
Limitless means without limits, which is close to boundless.
Practice 3
Which word is an antonym of boundless?
Limited means having a clear limit, which is the opposite of boundless.
Practice complete
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Boundless
Voice settings
Sounds like
bownd · lis · strongest beat: bownd
Tap each sound part, then blend the whole word together.
Learn
WordBoundless.
Partadjective.
MeaningBoundless means without limits or very great.
ExampleExample: The child had boundless energy at the park.
Word breakdown
2 syllables. Say each part, then blend the word.
- Syllables
- bownd · lis
- Strongest beat
- bownd
- Ending
- lis
- Tip
- Put a little extra energy on bownd.
Your turn
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Synonyms
Words like Boundless
limitlessUse when something seems to have no limit.
endlessUse when something seems to go on forever.
Antonyms
Opposite words
Synonym practice
Want to practice boundless synonyms in context? Try a Synonym Search question like "The child imagined a boundless sky," then compare close word choices. Practice boundless synonyms.
Word family
Boundless word family
Base word
bound
adjective
boundless
Without limits.
adverb
boundlessly
In a limitless way.
noun
boundlessness
The quality of having no limits.
Related words
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Student support
Understand Boundless
Hint for students
Boundless means without limits or very great.
Common mix-up
Do not use boundless just because it sounds familiar. Make sure the sentence matches this meaning: Boundless means without limits or very great.
Try it in class or at home
Read this model sentence: Her boundless curiosity helped her ask great questions. Clue words: great, curiosity, helped. Underline clue words that show why boundless fits instead of limited. Now write one new sentence that shows boundless without using the word boundless. Ask: Does my sentence clearly show boundless?
Teacher prompt
Ask students to explain this model sentence: "Her boundless curiosity helped her ask great questions." Why does boundless fit better than limited?
Learning activities
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