Skip to content
WORDS, MADE CLEAR.
Your everyday English companion

English dictionary

slow Meaning & Definition

ˈslō

What Does Slow Mean?

Slow is an adjective that means mentally dull. It is also used to mean naturally inert or sluggish. As an adverb, it means slowly. As a verb, it means to make slow or slower.

Quick Facts About Slow

Part of speechadjective, adverb, verb
Pronunciation/ˈslō/
Synonymsdull, obtuse and slack
Antonymsapace, fast and accelerate
Comparative / superlativeslower, slowest
Verb formsslows, slowing, slowed

Slow Definition (Adjective)

  1. mentally dull : stupid

    a slow student

  2. naturally inert or sluggish
  3. lacking in readiness, promptness, or willingness
  4. not hasty or precipitate

    was slow to anger

  5. moving, flowing, or proceeding without speed or at less than usual speed

    traffic was slow

  6. exhibiting or marked by low speed

    he moved with slow deliberation

  7. not acute

    a slow disease

  8. low, gentle

    slow fire

  9. requiring a long time : gradual

    a slow recovery

  10. having qualities that hinder rapid progress or action

    a slow track

  11. registering behind or below what is correct

    the clock is slow

  12. less than the time indicated by another method of reckoning
  13. that is behind the time at a specified time or place
  14. lacking in life, animation, or gaiety : boring

    the first chapter is a bit slow

  15. marked by reduced activity

    business was slow / a slow news week

Slow as an Adverb

  1. slowly

Slow as a Verb

  1. to make slow or slower : slacken the speed of

    slow a car

  2. to go or become slower

    production of new cars slowed sharply

Synonyms of Slow

Slow synonyms and antonyms →

Antonyms of Slow

apacefastacceleraterapidlyspeedilyquicklyspeedquickenspeed upchop-chopbarrelingboltingbreakneckbreathlessbriskcareeringdizzyfleetflyinghastyhurryinglightningmeteoricquickracingrapidrocketingrunningrushingscootingscuddingscurryingsnappyspeedingspeedyswiftwarp-speedwhirlingwhirlwindwhiskingzippingexpeditiouspromptreadyacceleratedhastenedquickenedhurriedrushedaptbrainybrightbrilliantcleverhyperintelligentintelligentkeennimblequick-wittedsharpsharp-wittedsmartsupersmartultrasmartingeniousresourcefulacuteastutediscerninginsightfulknowingperceptivepercipientperspicacioussagacioussagesapientsavvywisecerebraleruditehighbrowintellectualknowledgeablelearnedliteratescholarlythinkingwell-readeducatedinformedschooledskilledtrainedcraftycunningfoxyshrewdwilyjudiciousprudentsanesensiblesoundlogicalrationalreasonablevalidaliveanimatedastirbustlingbusybuzzingflourishinghumminglivelythrivingvibrantaboundingoverflowingswarmingteemingthrongingabsorbingengagingengrossinggrippinginterestingintriguinginvolvingrivetingamazingastonishingastoundingawesomeeye-openingfabulousmarveloussensationalspectacularsurprisingwonderfulwondrousanimatingbreathtakingelectrifyingenergizingenliveningexcitingexhilaratinggalvanizinghair-raisinginspiringinvigoratingrip-roaringrousingstimulatingstirringthrillingamusingdivertingentertainingmovingpoignanttouchingalluringattractingattractivebeguilingbewitchingcaptivatingcharmingenchantingenthrallingentrancingfascinatingmesmerizingspellbindingsuspensefularrestingprovocativetantalizinghastenhurryrushspeed (up)step updriveencouragegoadpropelpushspurstirurgeadvanceaiddispatcheaseexpeditefacilitateforwardfurtherhelpbrisklyfleetlyfull tilthastilymeteoricallysnappilyswiftlyimmediatelyposthasteprestopromptlyprontoreadilysoonimpetuouslyimpulsivelyrashlyrecklesslyabruptlysuddenlyabruptsuddenprecipitateaccuratehectic

Slow in a Sentence

a slow train;  a slow computer

Why were you so slow to answer my question?

Turkey should always be cooked in a slow oven.

That clock is slow.

It was a slow news day, so the editor asked us to make our articles wordier.

I'm just sitting here with a desk of cards, enjoying a slow afternoon.

slow the process

slow the traffic

That clock is running slow.

I want to dance with you nice and slow.

a slow student

was slow to anger

traffic was slow

he moved with slow deliberation

a slow disease

slow fire

a slow recovery

a slow track

the clock is slow

the first chapter is a bit slow

business was slow

a slow news week

slow a car

production of new cars slowed sharply

because of the holiday, traffic to the beach was particularly slow

slow readers

we love our bulldog though he's a little slower than our German shepherd

a slow day on Wall Street

the first half of the movie is slow, but then it gets exciting

if you don't slow your delivery down a bit, your speech will be over too soon

you need to go slow with this experiment, or you'll make mistakes

business was slow / a slow news week

Word Forms & Grammar

slow·ish adjective

slow·ness noun

slow

slower

slowest

slowish

slowness

slownesses

slowed

slow·ing

slows

slowing

slow (comparative slower, superlative slowest)

slow (third-person singular simple present slows, present participle slowing, simple past and past participle slowed)

slow (plural slows)

Words That Rhyme With Slow

Origin of Slow

Origin 1: Middle English, from Old English slāw; akin to Old High German slēo dull

Origin 2: From Middle English slaw, slow, from Old English slāw (“lazy; inert, slow”), from Proto-West Germanic *slaiw, from Proto-Germanic *slaiwaz (“blunt; dull; exhausted, faint, sluggish, weak, weary; listless, torpid; dim-witted, slow; lazy, slack”), possibly from Proto-Indo-European *sleyH-u- (“bad”).

First Known Use

before 12th century

14th century

1557t

Common Questions About Slow

Is slow an adjective or an adverb?

Slow is mainly used as an adjective, but it can also be used as an adverb and a verb.

What is another word for slow?

Words with a similar meaning to slow include dull, obtuse and slack. See the full list of slow synonyms and antonyms.

What is the opposite of slow?

Words opposite in meaning to slow are apace, fast, accelerate and rapidly.

What is the past tense of slow?

The past tense of slow is slowed. The present participle is slowing.

What are the comparative and superlative forms of slow?

The comparative form is slower and the superlative form is slowest.

More About Slow On Meaning Stash

Slow In Our Articles

More Words Starting With “Slo”

Merriam-WebsterReference content from Merriam-Webster’s Collegiate® Dictionary and Collegiate® Thesaurus © Merriam-Webster Inc.Data credits & licensing