Dictionary-enhanced synonyms
Synonyms for “Fast” — 4 Other Ways to Say It
Able to move or happen very quickly, not slowly.
Meaning of Fast
Moving or capable of moving at high speed; quick in action or response.
How to Pronounce Fast
IPA: /fɑːst/ Stress: O
Use the AH sound as in father: FAHST. The A is long, not short like in apple.
4 Synonyms for Fast — Words Similar to Fast
Browse alternative words with their meaning, level, and a real example sentence so you pick the synonym that fits your context.
Smart Synonyms for Fast — When to Use Each
quick
emphasizes ability to act or respond in short
rapid
describes speed of movement or process flow
swift
more formal or literary term for fast movement
Antonyms of Fast — Opposite Words
How to Use Fast and Its Synonyms in Sentences
- That car is very fast on the highway. A1
- She runs fast in the morning race. A1
- The internet connection is fast enough for streaming. A2
Frequently Asked Questions About Synonyms of Fast
What is another word for "fast"?
Common synonyms for "fast" include: quick, speedy, rapid, swift.
What can I say instead of "fast"?
Try one of these alternatives: quick, speedy, rapid, swift. Pick the synonym whose register and meaning fits your sentence — see the cards above for definitions and examples.
Is "fast" formal or informal?
"fast" is generally used in neutral contexts.
When should I use "fast" instead of "quick"?
Use "fast" when you want to keep the exact nuance shown in the meaning section above; switch to "quick" when you need a different register, level, or shade of meaning. Compare the cards above to decide.
What are the antonyms of "fast"?
Words with the opposite meaning of "fast" include: slow.