Fast

4 lettersadjectivecommon

Updated June 2026

Definition

Moving or happening at high speed. Quick in motion or action.

“The fast car zoomed past the finish line.”

Pronunciation

IPA

/fɑːst/

Related Words

Synonyms

quick rapid swift

Antonyms

slow

Word Game Tips

🟩

Wordle

Good starting word with common letters F, A, S, T.

🔤

Scrabble

Worth 7 points, useful for parallel plays.

Words Related to Fast

Anagrams of Fast

Words that use exactly the same letters as “fast”.

fats

Words one letter different

Change a single letter of “fast” to make these 4-letter words — useful for Wordle and crossword clues.

bast cast east fact fait fant fart fasc fash fass faut fest fist fust gast hast last past vast

Add a letter to make a longer word

5-letter words you can spell by adding one letter to “fast”.

facts faits farts fasti fasts fates faust feast feats festa fetas fiats flats frats hafts rafts shaft softa staff tufas wafts

Longer words starting with Fast

Words that begin with “fast”.

fasti fasts faster fastest

Explore Similar Words

4-letter words starting with F 4-letter words ending with T All 4-letter words 5-letter words All word lists

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Dictionary References

Look up fast in an authoritative dictionary for full definitions, pronunciation, and etymology.

Cambridge Dictionary Merriam-Webster

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