Are you sure?
Source: tatoeba (1326)
Sure
/ʃɔː(ɹ)/
Synonyms for "sure" (352 found)
Ranked by relevance and common usage.
Closest matches (71)
Adjective(9 words)
abidingabsoluteabsolutelyaccurateadducibleadmissibleagapeagogall agogall rightalrightalrightyamenanticipantanticipatinganticipativeanticipatoryapodicticarrogantas you say
Show 37 more words
assertiveassuredassuredlyattestativeattestiveauthenticauthoritativeawaitingayebased onbelievingboundby all meanscalculablecategoricalcertaincertainlycertifiedchangelesscircumstantialclearclear and distinctclear as daycocksurecockycollectedconclusiveconfidentconstantconvincedconvincingcoursecoveredcumulativedadamningdead
Noun(3 words)
Verb(1 words)
Adverb(1 words)
Strong matches (105)
decideddecisivedefinitedeliberatedependabledestineddeterminatedeterminativedetermineddevoutdocumentarydocumenteddogmaticdoubtlesseagereffectiveemphaticenduringensuredestablished
Show 72 more words
evidentialevidentiaryex parteexactlyexpectantexpectingexpliciteye-witnesseyewitnessfactualfaithfulfaithworthyfastfatedfatefulfearlessfideisticfinalfinefirmfirsthandfixedflatfoolproofforearmedforestallingforewarnedfounded ongapinggenuinegoodgood enoughgrounded onguaranteedhearhearsayhopefulhubristicimplicitimpressed within anticipationin expectationincontestableincontrovertibleincorruptibleindeedindeedyindefeasibleindicativeindisputableindubitableineluctableinerrableinerrantinescapableinevasibleinevitableinexorableinfallibleinflexibleinsuredinvincibleinviolableirrefutableirresistibleirrevocablejajust solooking forlooking forward tomais ouimaterial
Adjective(7 words)
Adverb(2 words)
for certainfor sure
Verb(1 words)
Noun(2 words)
hundred percentji
Interjection(1 words)
Related words (176)
most assuredlynaturallynaturellementnecessarynever-failingnot surprisednuncupativeof courseokokayon the lookout foroptimisticouioverconfidentoversureoverweeningoverwhelmingpalpableperfectly surepersuaded
Show 135 more words
pertpietisticpiouspisticpoisedpompouspositivepositivelypreciselypredestinedpredeterminedpredictablepreparedpresumptiveprobativeproudprovenpurposefulquiteratherreadyrealreallyreassuredrelentlessreliableresistlessresponsiblerightrightorockyrogersafesanguinesatisfiedsecuresecuredself-assertiveself-assuredself-confidentself-importantself-possessedself-reliantself-satisfiedsetsignificantsold onsolidsoundstablestaunchsteadfaststeadystraightstrongsubstantialsuggestivesure as deathsure as fatesure thingsure-enoughsure-firesurefiresurelysymptomatictellingtestedto be sureto be trustedtriedtried and truetruetrulytrustabletrustworthytrustyunafraidunambiguousunavoidableunchangeableunchanginguncompromisinguncontestableuncontrollableundeflectableundeniableunder the impressionundeviatingundisputedundoubtfulundoubtingunequivocalunerringunfailingunfalseunfalteringunflinchingunhesitatingunivocalunmistakableunperfidiousunpreventableunqualifiedunquestionableunquestioningunshakableunshakeableunshakenunstoppableunsurprisedunswervinguntreacherousunvaryingunwaveringunyieldingvalidvery wellwaitingwaiting forwarrantedwatching forweightywell and goodwell-foundedwell-groundedwholeheartedwhy yesyeayeahyepyesyes indeedyes indeedyyes siryes sirree
Adjective(12 words)
Adverb(3 words)
Noun(2 words)
swedish säkeryeahs
Pronoun(1 words)
Interjection(1 words)
Choosing the right synonym
- Closest matches in this entry: certain, abiding, absolute, absolutely, accurate.
- Sentence evidence is available for sure, so synonym choice can be checked against real usage rather than a flat word list.
- Ranking signals come from wordnet, opengloss, moby, derived_reverse, 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 "sure".
- Prefer the clearest word over the most unusual word when writing for speed or comprehension.
When not to replace "sure"
Keep "sure" 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 "sure" 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 "sure", 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 "sure" 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
8 entriesMore specific
14 entriesabsolutelyconsistent performancedefinite outcomehuh interjectionindeedokayreally interjectionreliable methodself assuranceself confidencesure thing interjectionunambiguous claimyeahyep
Collocations
9 entriesInflections
2 entriesDerivations
5 entriesAntonyms
1 entriessimilar
21 entriesShowing 16 of 21 words.
Translations
8 translations across 5 languages.
Bulgarian
1 entries- разбира се intj (noncommittal yes)
Finnish
2 entries- toki intj (noncommittal yes)
- vaikka intj (noncommittal yes)
French
1 entries- d'accord intj (noncommittal yes)
Hungarian
1 entries- mindenképpen adj (certain to act or be)
Polish
3 entries- jasne intj (noncommittal yes)
- pewnie intj (noncommittal yes)
- spoko intj (noncommittal yes)
Sample sentences
33 total sentences available.
Are you sure of your facts?
Source: tatoeba (16057)
You should make sure of the fact without hesitation.
Source: tatoeba (16509)
Are you sure about the cost of that car?
Source: tatoeba (16583)
Showing 4 of 33 available sentences.
Common questions
What are the closest synonyms for "sure"?
Closest matches include certain, abiding, absolute, absolutely, accurate.
How should I check whether a synonym fits "sure"?
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.