easy
She was the fastest runner.
What does Fastest mean?
With the greatest speed.
Dictionary definition
Moving or happening with the greatest speed.
Example sentences
Fastest in a sentence
medium
The fastest route goes over the bridge.
hard
Fastest identifies the highest speed in a group or comparison.
Writing practice
Ready to write your own? Study the examples, then practice fastest in a sentence with Sentence Builder checklist feedback.
Quick practice
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Practice the meaning of Fastest
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does fastest mean?
The correct answer matches the meaning of fastest.
Practice 2
Which word is closest in meaning to fastest?
Quickest is close in meaning to fastest.
Practice 3
Which word is an antonym of fastest?
Slowest contrasts with fastest.
Practice complete
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Pronunciation coach
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Fastest
Voice settings
Sounds like
fas · tist · strongest beat: fas
Tap each sound part, then blend the whole word together.
Learn
WordFastest.
Partadjective, adverb.
MeaningFastest means With the greatest speed.
ExampleExample: She was the fastest runner.
Word breakdown
2 syllables. Say each part, then blend the word.
- Syllables
- fas · tist
- Strongest beat
- fas
- Ending
- tist
- Tip
- Put a little extra energy on fas.
Your turn
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Synonyms
Words like Fastest
quickestHaving the greatest speed.
fastRelated word that supports the meaning of fastest.
Antonyms
Opposite words
slowestHaving the least speed.
opposite ideaA contrasting idea to fastest, depending on context.
Synonym practice
Want to practice fastest synonyms in context? Try a Synonym Search question like "Nora was the fastest runner in the relay," then compare close word choices. Practice fastest synonyms.
Word family
Fastest word family
Base word
fastest
Related words
Explore related words
Student support
Understand Fastest
Hint for students
Fastest means the most quick. Use it when comparing three or more people, things, or actions.
Common mix-up
Fastest is not the same as farthest. Fastest tells greatest speed; farthest tells greatest distance.
Try it in class or at home
Write one sentence that shows fastest without using the word fastest. Model sentence: In the race, Amir crossed the finish line before every other runner. Clue words: crossed the finish line before, every other runner Now try your own sentence. Ask: Does my sentence show the greatest speed in a group?
Teacher prompt
Ask students to explain this model sentence: "Out of all the toy cars, the blue one was the fastest down the ramp." Why does fastest fit better than tallest?
Learning activities
Practice Fastest and explore more word games
Cards labelled “Practice FASTEST” keep this word in focus. Explore cards open games with other words.
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Sentence Builder
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Context Clue Challenge
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Synonym Search
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