25 Synonyms for Fast | Another Word for Fast (With Examples)

You probably want to say fast in different ways to keep your speech or writing fresh and fun. Whether you mean speedy, quick, or swift, this list has cool words you can use every day. Ready to learn some new ways to say fast? Let’s dive in and have some fun with these synonyms!

1. Quick

Quick means something that happens very fast or in a short time. For example, “She took a quick shower before leaving.” It’s one of the easiest ways to say fast and works for many situations. Quick can describe actions, decisions, or movements. People use it when they want to do or finish something fast. It’s simple, clear, and sounds natural in daily talk. If you want to show speed without sounding too fancy, quick is a perfect choice.

2. Rapid

Rapid means very fast or happening in a short time. For example, “The rapid growth of the plant surprised everyone.” It is often used in formal talk or science. Rapid shows something that moves or changes quickly. If you want to describe a fast process or event, rapid is a good word to use. It’s more formal than quick but easy to understand. Rapid fits well when talking about change, speed, or movement.

3. Speedy

Speedy means moving or done very fast. For example, “The speedy delivery made the customer happy.” It sounds a bit friendly and casual. Speedy is used to show something happening fast, like service or travel. It adds energy and a positive feeling. When you say speedy, you want to show something happens quickly and smoothly. It’s great to describe fast actions with a fun tone.

4. Swift

Swift means very fast and smooth. For example, “The swift river current carried the leaves away.” It’s often used to describe natural things or movements. Swift sounds elegant and a little poetic. It shows speed but also grace. If you want to sound a bit more formal or creative, swift is a great word. It’s perfect for describing fast but smooth actions or events.

5. Brisk

Brisk means quick and energetic. For example, “She took a brisk walk in the morning.” It shows not only speed but also liveliness. Brisk is often used for movements or work done with energy. It gives a feeling of being active and fast. When you say brisk, you mean quick but with power. It’s a great word for exercise, work, or action that is lively.

6. Hurried

Hurried means done quickly because of little time. For example, “He gave a hurried answer before the meeting ended.” It shows some rush or stress. Hurried actions happen fast but may not be careful. When you say hurried, you mean someone is in a hurry and moves or acts fast. It’s useful when you want to show speed mixed with pressure or urgency.

7. Prompt

Prompt means quick to do something, often without delay. For example, “She gave a prompt reply to the email.” It shows good timing and quick action. Prompt sounds polite and professional. It is used when people want to show readiness and speed. When you say prompt, you mean fast action that is also responsible and helpful. It’s great for work or polite conversation.

8. Expedited

Expedited means made faster or helped to move quickly. For example, “They expedited the shipping to deliver the package sooner.” It is often used in business or official talk. Expedited shows that someone took steps to speed up a process. It’s a strong word for fast service or quick handling. When you say expedited, you mean fast but also planned or arranged.

9. Express

Express means very fast or direct. For example, “We took an express train to the city.” It shows no stops or delays, moving quickly to the goal. Express is used for travel, mail, or service that is faster than usual. When you say express, you mean quick and special speed. It sounds clear and professional.

10. Immediate

Immediate means happening right away without waiting. For example, “He made an immediate decision.” It shows no delay at all. Immediate is used when something is done as soon as possible. It is a strong word for quick action or response. When you say immediate, you want to show urgency and no waiting time. It’s good for emergencies or fast replies.

11. Instant

Instant means happening right now or very fast. For example, “She felt instant joy after hearing the news.” It shows no waiting time. Instant is used for reactions, results, or effects that happen quickly. When you say instant, you mean very fast and clear. It’s a simple word for quick moments or fast results.

12. Snappy

Snappy means quick and lively. For example, “He gave a snappy answer to the question.” It shows energy and speed with a bit of style. Snappy is used for fast movements or quick talking. It sounds casual and fun. When you say snappy, you mean something is done fast and with spirit. It’s great for showing smart and fast actions.

13. Breakneck

Breakneck means very, very fast and dangerous. For example, “The car was going at breakneck speed.” It shows extreme speed that can cause risk. Breakneck is used to describe very fast movements that feel risky or wild. When you say breakneck, you mean extremely fast speed that might be too much. It’s strong and dramatic.

14. Fleeting

Fleeting means very short and fast. For example, “They shared a fleeting smile before parting.” It shows something that lasts only a moment. Fleeting is used for feelings, moments, or times that pass quickly. When you say fleeting, you mean very fast and short-lived. It sounds a bit emotional or poetic.

15. Lightning

Lightning means very fast like a flash of light. For example, “He made a lightning-fast decision.” It shows speed that is almost instant. Lightning is used to describe extremely fast actions or events. When you say lightning, you mean something happens in a flash. It’s a powerful and exciting word for very fast speed.

16. Turbo

Turbo means very fast, often related to machines or engines. For example, “The car has a turbo engine for extra speed.” It shows power and quickness. Turbo is used for machines, technology, or actions that go faster than normal. When you say turbo, you mean speed with power. It sounds modern and strong.

17. Zippy

Zippy means quick and full of energy. For example, “The zippy little car zipped through traffic.” It sounds fun and lively. Zippy is used for fast but small or light things. When you say zippy, you mean quick and full of life. It’s a cheerful and friendly word.

18. Fleet

Fleet means fast and able to move quickly. For example, “The fleet animals ran across the field.” It shows speed with grace and power. Fleet is used for living things or groups that move fast. When you say fleet, you mean fast and smooth movement. It’s a bit old-fashioned but still clear and nice.

19. Hasty

Hasty means done too quickly without enough thought. For example, “She made a hasty decision and later regretted it.” It shows speed mixed with carelessness. Hasty actions are fast but not always good. When you say hasty, you mean quick but maybe too rushed. It warns about speed without enough care.

20. Accelerated

Accelerated means made faster or increased in speed. For example, “The company’s accelerated growth surprised investors.” It shows progress or speed going up. Accelerated is used for change, growth, or movement becoming fast. When you say accelerated, you mean speed that increases or moves quickly. It sounds technical and strong.

Synonyms for Fast

21. Whirlwind

Whirlwind means very fast and energetic movement or event. For example, “They had a whirlwind romance that lasted a few months.” It shows speed with excitement and chaos. Whirlwind is used for quick and intense things. When you say whirlwind, you mean fast and full of energy or change. It’s a colorful and lively word.

22. Sudden

Sudden means happening quickly without warning. For example, “There was a sudden rainstorm in the afternoon.” It shows speed with surprise. Sudden is used for events or actions that happen fast and unexpected. When you say sudden, you mean quick and surprising speed. It’s a clear and common word.

23. Rushed

Rushed means done fast because of little time. For example, “He gave a rushed apology before leaving.” It shows speed with urgency and maybe stress. Rushed actions may lack care or calm. When you say rushed, you mean fast but with pressure. It’s a common word for busy or stressful situations.

24. Zooming

Zooming means moving very fast, often with noise. For example, “The kids were zooming around the playground.” It shows quick movement that is fun or loud. Zooming is used for vehicles, people, or animals moving fast. When you say zooming, you mean fast and active speed. It’s playful and lively.

25. Darting

Darting means moving quickly in short bursts or sudden moves. For example, “The bird was darting between the trees.” It shows speed with sharp and fast movements. Darting is used for animals, people, or objects moving fast with quick changes. When you say darting, you mean quick and sudden speed. It’s lively and descriptive.

More Synonyms That May Surprise You

Supersonic
High-speed
Hyperfast
Blazing
Burning
Quick-moving
Fast-paced
On-the-double
In-a-flash
Asap
Swift-moving
Time-saving
Rush
Hustling
Flying
Speed-driven
Mach-speed
Snappy-moving
Instantaneous
Nimble
Presto
Zipping
Rapid-fire
Sprinting
Flashing
Nonstop
Quick-fire
Jet-speed
Momentum-filled
Speed-packed
On-the-go
Energetic
Urgent
Streaming
Scurrying
Bolting
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