Synonyms for Fast
Updated · Synonyms List editorial team
Quick answer: Looking for synonyms for fast? You can choose from many words that mean moving quickly or operating at a high speed. These alternatives help you avoid repeating the same word and add variety to your text. Some options are formal, while others are casual or slang terms used in everyday conversation.
Closest Synonyms for Fast
- quick
- General use for speed; The quick fox ran across the field.
- rapid
- Emphasizes suddenness; The rapid river rushed through the canyon.
- hasty
- Implies rushing; Her hasty exit caused confusion.
- swift
- Smooth and fast movement; The swift bird dove for the fish.
- speedy
- Focuses on time efficiency; The speedy delivery arrived early.
- expeditious
- Businesslike speed; The expeditious clerk finished the task.
- brisk
- Energetic pace; A brisk walk clears the mind.
- prompt
- This prompt arrives instantly before you even ask for it.
- fleet
- The fleet of ships crossed the ocean with incredible speed.
- dash
- He gave a quick dash to catch the bus just as it left.
- hurry
- Please hurry and get dressed so we can leave on time.
- hustle
- The workers hustled to clear the tables before the customers arrived.
- zippy
- The new car feels zippy when you press the gas pedal.
Formal Synonyms for Fast
- celerity
- Abstract quality of speed; He acted with great celerity.
- expedient
- Practical speed; It was an expedient solution.
- hurried
- Rushed action; The hurried notes were unclear.
- accelerated
- Increasing speed; The accelerated process saved time.
- vigorous
- Strong pace; They made vigorous progress.
- precipitate
- Too fast; The precipitate action caused errors.
Informal Synonyms for Fast
- hot
- Slang for very fast; The hot new movie was sold out.
- quickened
- increased its pace to reach the finish line sooner
- alacrity
- showing eager willingness to act immediately without delay
- snappy
- Used for sharp, quick actions like a snappy response, he gave a snappy answer to the question.
- racy
- Often used for vivid or spirited speed, the racy plot moved quickly through the story.
- dashing
- This suggests stylish quickness, seen when the dashing hero sprinted across the finish line.
- blistering
- This phrase indicates extreme speed, the blistering pace left everyone behind in the dust.
- turbo
- Used for very fast things like turbo engines, the turbo boost made the car go incredibly fast.
Stronger and Weaker Words
- lightning
- Stronger than fast; Lightning fast reflexes.
- rocket
- Stronger than fast; A rocket fast ascent.
- blazing
- Stronger than fast; Blazing down the highway.
- swifter
- weaker
- quicker
- weaker
- hurrying
- weaker
Antonyms for Fast
- slow
- leisurely
- tardy
- late
- sluggish
- unhurried
- gradual
- dull
- delayed
- lagging
How to Pick the Right Synonym
Choose the synonym based on your audience and context. Formal settings require words like expeditious or celerity, while casual conversations allow zippy or hot. Consider the nuance; hasty implies rushing, whereas brisk suggests energy. Always check if the word fits the specific situation to maintain clarity and tone.
Frequently Asked Questions
What is another word for fast?
Common alternatives include quick, rapid, and swift. The best choice depends on the context, such as speed or urgency, and the desired tone, ranging from formal to informal usage in your writing.
What is the opposite of fast?
The opposite of fast is slow. Other antonyms include sluggish, tardy, and leisurely. These words describe movement or action that occurs at a reduced rate compared to the standard speed expected.
Are there slang words for fast?
Yes, many informal terms exist for fast. Words like zippy, hot, and speedy are commonly used in casual speech. These slang options add a relaxed tone to your communication but should be avoided in professional settings.
