50+ Synonyms for Fast with Examples | Another Word for Fast

Last Updated on November 27, 2023

In a world where speed is of the essence, the quest for synonyms of “fast” becomes a fascinating linguistic journey. From rapid to swift, explore the diverse ways we express quickness in our daily lives.

Fast Synonyms

Another Word for Fast | List of 50+ Synonyms for "Fast" in EnglishPin

What Is “Fast”?

“Fast” primarily refers to a high rate of speed or quickness. In movement, if you are fast, you cover a significant distance in a short period of time. For actions, being fast means accomplishing something with minimal delay.

For examples:

  • She ran fast to catch the bus before it left.
  • The car sped fast down the highway, leaving a trail of dust behind.
  • He spoke fast to ensure he covered all the important points in his presentation.
  • The train moved fast through the countryside, reaching its destination ahead of schedule.
  • The athlete sprinted fast towards the finish line, determined to win the race.

List of Synonyms for Fast

  • Accelerated
  • At full speed/tilt/pelt/throttle
  • Blinding
  • Blistering
  • Breakneck
  • Breathless
  • Brisk
  • Cracking
  • Dizzy
  • Expeditious
  • Express
  • Fast-moving
  • Fleet
  • Fleet-footed
  • Flying
  • Galloping
  • Hasty
  • High-speed
  • Hot
  • Hurried
  • Immediately
  • In a flash
  • In a rush
  • Lightning
  • Like a flash
  • Like a shot
  • Lively
  • Meteoric
  • Nimble
  • Nippy
  • Pell-mell
  • Promptly
  • Quick
  • Rapid
  • Rapid-fire
  • Rattling
  • Scorching
  • Smart
  • Snappy
  • Soon
  • Spanking
  • Speedy
  • Splitting
  • Sporty
  • Sprightly
  • Supersonic
  • Swift
  • Turbo
  • Unhesitating
  • Whirlwind
  • Zippy

Types of Synonyms for Fast


  • speedy
  • rapid
  • swift
  • brisk
  • expeditious


  • nimble
  • agile
  • sprightly
  • quick-footed


  • fast-paced
  • high-speed
  • accelerated
  • quickened


  • hurried
  • rushed
  • impulsive
  • rash

Common Synonyms for Fast

Fast vs. Quick

Fast implies a high rate of movement or action, while quick refers to a rapid response or action that happens in a short time frame. For example:

  • A cheetah runs fast across the savanna.
  • Your quick reflexes saved the glass from shattering.

Fast vs. Rapid

Fast is often used in general terms, whereas rapid is more commonly used when emphasizing the rate of progression or development. Compare the usage with these examples:

  • She is a fast runner.
  • The rapid growth of the company was unexpected.

Fast vs. Prompt

Fast denotes swiftness in action or motion, whereas prompt is typically associated with taking action immediately and without delay. Consider their application:

  • The service at the restaurant was fast.
  • He was prompt in his reply to the email.

Fast vs. Speedy

Both fast and speedy share close meanings, indicating quickness. However, “speedy” might be favored for being slightly informal or colloquial. Here’s how they differ in a sentence:

  • This car can go incredibly fast.
  • We wish you a speedy recovery.

Synonyms for Fast in Different Contexts 

In Everyday Language


  • Action: You made a quick decision.
  • Occurrence: That was a quick meal.


  • Development: The company is undergoing rapid expansion.
  • Movement: The river flows at a rapid rate.


  • Movement: The athlete made swift movements.
  • Reaction: Your swift response prevented further issues.


  • Activity: Take a brisk walk in the morning for better health.
  • Business: They experienced brisk sales during the holiday season.

In Business

  • Prompt: Our customer service team is trained to provide prompt assistance to all client queries.
  • Expeditious: We need an expeditious response to the client’s inquiry to maintain a high level of customer satisfaction.
  • Immediate: The management team is seeking immediate feedback on the proposed business strategy.

In Science and Technology

  • Snappy: Your technical support team is known for their snappy resolutions to user issues.
  • Blazing: The software’s blazing load times enhance the user experience significantly.
  • Lightning-Fast: Automated systems that process and approve online loan applications are often engineered to be lightning-fast.

Absolute and Near Synonyms of Fast 

Absolute Synonyms for Fast

Word Meaning
Quick Something happening in a relatively short time or without delay
Rapid Something moves or happens with great speed

Near Synonyms for Fast

Word Meaning
Swift Smooth and sure movement, often in a literary context, like a swift current.
Speedy Fast, often with urgency and sometimes a shorter duration, like a speedy resolution.
Brisk Energetic and quick, like a brisk walk.
Hasty Quick action, but can also imply a lack of deliberation, such as a hasty decision.
Fleet Moving with great speed, typically used in a poetic context, like the fleet footsteps of a runner.

Frequently Asked Questions

What are alternative words for rapid progress?

When describing rapid progress, terms like “expeditious,” “swift advancement,” and “accelerated development” are often used. These convey a sense of quick improvement or evolution.

Which term describes a swift and efficient action?

A “brisk” or “nimble” action typically denotes swiftness and efficiency. Professionals in various fields might use “streamlined” to describe processes optimized for speed and effectiveness.

Can you list terms equivalent to ‘speedily’?

Yes, “promptly,” “expeditiously,” and “rapidly” are all terms that serve as equivalents to “speedily.” They convey urgent or quick action.

What are some slang terms that mean the same as fast?

Slang terms that are synonymous with “fast” include “lightning-fast,” “quick as a whip,” and “like a shot.” These informal phrases are more common in casual conversation.

How can one express the concept of being extremely quick?

To express the concept of being extremely quick, phrases such as “at breakneck speed,” “in the blink of an eye,” or “faster than a speeding bullet” are typically used. These exaggerate the speed to emphasize its intensity.


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