The sea was as smooth as glass.
Source: tatoeba (22225)
Smooth
/smuːð/
Synonyms for "smooth" (851 found)
Ranked by relevance and common usage.
Closest matches (171)
abrasiveaccordantacomousacuteadiposeadulatoryagreeableaidalabasteralignalikeall jawallayameliorateappeasearcharrowlikeartfularticulatearticulated
Show 122 more words
assimilateassimilate toassuageastuteat restattenuateattenuatedautomaticbalancebalancedbaldbald-headedbalmybarebeardlessbelievableblandblandishingblarneyingblubberybuffburnishburnishedbutterybutyraceouscageycajolingcalendercalmcalm downcandidcannycasualcatenatedceaselesschattychrismalchrismatoryciceroniancivilizedcleanclean-shavenclearclear the wayclevercloisteredcoarsencommunicativecomplimentarycomposeconcatenatedconciliateconcinnateconcinnousconnectedconnivingconsistentconsonantconstantcontinualcontinuedcontinuingcontinuousconversationalcoolcorrespondentcourteouscourtierlycourtlycradlecraftycrediblecunningcursivecushycutecycliccyclicaldabdaintydampdead straightdebonairdeceitfuldeepdeep-laiddefusedelicatedemostheniandemosthenicdepilateddepilousdesigningdeviousdexterousdiplomaticdirectdisarmingdisentangledisingenuousdownydragdressdubdulcetdulcifydwindlingeaseeasyeasy as pieebbingeffortlesseffusiveeleganteloquentendlessequableequalequalizeequilibrizeeuphoniceuphonical
Adjective(14 words)
Noun(11 words)
Verb(3 words)
Adjective(1 words)
Strong matches (255)
euphoniouseveneven outeven-tenoredevenlyexpansiveexpediteexplainextendfacilefacilitatefacundfaintfair spokenfair-spokenfatfattyfawningfeaturelessfelicitous
Show 150 more words
felinefellfilmyfinefine drawnfine grainedfine spokenfine-drawnfine-grainedfine-spokenfinespunfinishedflatflatlyflattenflattenedflatteringflipflowingfluentfluffyflushfoxyfrankfreefulsomefurbishfuzzygabbygaplessgarrulousgassygauzygentleglabrateglabrescentglabrousglassglassyglibgloss overglossygossamergossamerygossipygracefulgradegraingranulategreasegrease the waysgrease the wheelsgreasygregariousgrindguilefulgushinggushyhairlesshalcyonharmoniousharmonizeharrowhastenhelphelp alonghomaloidalhomogeneoushomogenizehoney-mouthedhoney-tonguedhoneyedhorizontalhushhushedhypocriticaliceimmediateimmutableimpassivein a lineincessantingeniousingratiatinginsidiousinsincereinsinuatinginterminableinvariableinventiveironisolatedivoryjoinedjointlessknowinglardaceouslardylaylay downlay flatlay levellay lowlay outlay the dustleiotrichouslenientlessenlevellightlineallinearlinkedlong windedlong-windedlooseloquaciouslubricatelullmachiavellianmachiavellicmake clearmake uniformmake way formanglemarblemealymouthedmeasuredmechanicalmellowmethodicmethodicalmickey mousemildminimizemitigatemolderingmollifymonolithicmonotonousmowmucoidmultiloquentmultiloquiousnakednever endingnever-endingnewsynonchalantnonstop
Adjective(32 words)
eveneven four-digit numbereven surfacefacilitatefeatureless planeflat areaflat groundnessflat landflat plain terrainflat surfaceflat terrainflattestfluentfluent speakerfluent speechfluidfluid motionfluidicgaitedgentle slope
Show 12 more words
glossygradationalgradual trajectoryleast frictionlegatolegato phrasinglevelliquidmanufactured surfacemathematical continuitymellifluousnonfrictional
Noun(39 words)
Adjective(4 words)
Related words (425)
normalizenothing to itobsequiousof a pieceoffhandoiloilyoily-tonguedoleaginousoleicopenopen the wayopen uporderedorderlyovertalkativepacificpacifypainlesspalliate
Show 295 more words
pavepave the waypawkypeaceablepeacefulperennialperfectperiodicpersistentpersuasiveplacateplacidplainplaneplanishplasterplausiblepleasantpleasingpolishpolishedpolitepoliticpour balm intopour balm onprepareprepare the waypressprimeprolixpropitiatepubescentput straightquellquickenquiescentquietraserazereadyrectifyrectilinealrectilinearrecurrentreducerefinerefinedregularregularizeregulateremove frictionrepetitivereposefulreposingresourcefulrestrestfulrestingrichrightrobotlikerockrock to sleeprollroll flatrolledrollerroughenroundround-the-clockroyalrub upruler-straightrun interference forrunningsandsandblastsandpapersatinsatinyschemingseamlesssebaceoussecludedsequesteredsequestratedsereneserpentineserriedset straightsharpshaveshavenshelteredshiftyshineshinyshrewdsilksilkensilkysilversilver tonguedsilver-tonguedsimplesimple as abcsimplifysit upsleekslickslickerslideslimyslipperyslobberyslysmarmysmooth downsmooth outsmooth oversmooth the waysmooth tonguedsmooth-facedsmooth-runningsmooth-shavensmooth-soundingsmooth-spokensmooth-texturedsmooth-tonguedsmoothed outsmoothensmoothenedsmoothersmoothlysmugsnakysneakysoap the wayssoapysociablesoftsoft spokensoft-soapingsoft-spokensoftensoigneesoothesoothingsophisticalsophisticatedspeedspellbindingspreadsquashedsquashed flatstabilizestablestand upstandardizesteadfaststeadystealthysteamrollsteamrollerstereotypestillstill as deathstillishstillystoicstolidstraightstraight-cutstraight-frontstraight-sidestraightenstraighten outstraighten upstraightforwardstrategicstreamlinedsuavesuave-spokensubduesubsidingsubtilesubtlesuetysupplesweetsycophanticsymmetricalsymmetrizesyrupysystematictabloidtabulartacticaltake the edge offtalkativetalkytallowytemperthin-spuntonsuredtoothtranquiltranquilizetrickishtricksytrickytrippingtroddentrodden flattruetulliantunefultwenty-four-hourunagitatedunbarunbendunbendingunbentunblockunbowedunbrokenunburdensomeunceasingunchangeableunchangedunchanginguncloguncluttereduncomplicatedunconstrainedunctuousuncurluncurvedundeflectedundeviatingundifferentiatedundistortedundisturbedundiversifiedunendinguneventfulunguentunguentaryunguentousuniformuniformizeuniformlyunintermittedunintermittentunintermittinguninterruptedunjamunkinkunmovedunobstructedunperturbedunrelievedunremittingunroughunroughenedunruffledunsnarlunstirringunstoppedunswervinguntroubleduntroublesomeunturnedunvariedunvaryinguprighturbanevelutinousvelvetvelvetyverboseverticalvocalizevolublevulpinewaningwarywell-orderedwell-spokenwheedlingwilywindywinningwiredrawnwise
Noun(45 words)
Adjective(41 words)
pacifyplacidplanateplastic blockspolishpolishedpolished top surfacepoliticporeless materialquietreconcilerefinishriblessrounded contoursandsilkiersilkiestsilkysimplifysleek
Show 21 more words
sleekestslick coatingslickestsoft actionsteady cadencestillstraightforwardstreamlinesuavetranquiluncomplicateduncrannieduncreasedunfrictional conditionunfrictional designunfrictional termunfurrowedunhurriedunruffledunwrinkledzero friction
Verb(17 words)
Choosing the right synonym
- Closest matches in this entry: abrasive, accordant, acomous, acute, adipose.
- Sentence evidence is available for smooth, so synonym choice can be checked against real usage rather than a flat word list.
- Ranking signals come from derived_reverse, moby, opengloss, wordnet, and related lexical sources.
Synonym selection checklist
- Match the part of speech before comparing meanings.
- Check whether the synonym changes intensity, formality, or emotional tone.
- Read the replacement inside the full sentence, not just beside "smooth".
- Prefer the clearest word over the most unusual word when writing for speed or comprehension.
When not to replace "smooth"
Keep "smooth" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Replacement workflow
1. Preserve meaning
Choose a synonym only if it keeps the core idea of "smooth" intact in the sentence you are editing.
2. Tune tone
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
3. Re-read context
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
Final fit check
After choosing a replacement for "smooth", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "smooth" or choose a simpler alternative from the closest-match group.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
17 entriesShowing 16 of 17 words.
More specific
14 entriesCollocations
9 entriessmooth operationsmooth outsmooth progresssmooth ridesmooth roadsmooth surfacesmooth texturesmooth the datasmooth transition
Inflections
6 entriesDerivations
4 entriesAntonyms
2 entriessimilar
37 entriesShowing 16 of 37 words.
Sample sentences
48 total sentences available.
The sea looks calm and smooth.
Source: tatoeba (22227)
I was easily taken in by his smooth talk.
Source: tatoeba (30221)
It's nice to drive on a smooth road.
Source: tatoeba (36261)
Showing 4 of 48 available sentences.
Common questions
What are the closest synonyms for "smooth"?
Closest matches include abrasive, accordant, acomous, acute, adipose.
How should I check whether a synonym fits "smooth"?
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.