Synonyms and Antonyms for Fast

Following is a list of 150 synonym words and phrases that are related to fast:

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3 Letter Words

hotgetnowrun

4 Letter Words

truefirmdyedeasyasapstatawaysoonhardhighmovedownrate

5 Letter Words

tightloyalfixedswiftquickrapidfleetclosereadyrigidbriefearlybriskshortagilehurryapacehastyspeed

6 Letter Words

promptspeedysmoothlockedtintedbarredflyingvivaceprestowingedboltedfirmlytimelystrongsecureprontonearlyalmosturgentsoonerhardlyeasilyslowlysuddensnappyrashlyhustleglance

7 Letter Words

instantimmoralhurriedriotousred-hotallegrolatchedsecuredsolidlyreadilyshortlysalientcursorysharplybrieflyhastilyquicklyswiftlyrapidly

8 Letter Words

constantfaithfulimmobiledegradedhurryingspeedingmeteoricfastenedpromptlyurgentlysuddenlyabruptlysilentlyexpeditespeedilyrapidity

9 Letter Words

immediatehasteningdissolutedebauchedscurryinglibertinecolorfastandantinoexpedientefficientvirtuallystretcherpermanentimmovableexpeditedchop-chopswiftness

10 Letter Words

profligatealacritousdegeneratehigh-speeddissipatedallegrettoblisteringpromptnesstimelinesstimesavingacceleraterecklesslyrapid-firefast-pacedstarvation

11 Letter Words

acceleratedprestissimoimmediatelypracticallyexpeditiousfast-actingfast-movingprecipitoushit-and-runtime-saving

12 Letter Words

acceleratingdouble-quickstraightawaydramaticallymiraculously

13 Letter Words

instantaneousjet-propelledexpeditiously

15 Letter Words

expeditiousness

Using this list of similar-meaning words, you can choose the best synonyms to replace fast in your sentences.

Additionally, you'll find antonyms included, perfect for when you need the complete opposite meaning of fast in your writing.