What is another word for certain?

Synonyms for certain
ˈsɜr tncer·tain

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term certain.

Wiktionary

  1. certainadjective

    Antonyms:
    uncertain

  2. certainadjective

    Sure, positive, not doubting.

    Certain people are good at running.

    Antonyms:
    uncertain

English Synonyms and Antonyms

  1. certain

    That is authentic which is true to the facts; that is genuine which is true to its own claims; as, authentic history; genuine money.

    A 'genuine' work is one written by the author whose name it bears; an 'authentic' work is one which relates truthfully the matters of which it treats. For example, the apocryphal Gospel of St. Thomas is neither 'genuine' nor 'authentic.' It is not 'genuine,' for St. Thomas did not write it; it is not 'authentic,' for its contents are mainly fables and lies.

    Trench On the Study of Words lect. vi, p. 189. [W. J. Widdleton]

    Authentic is, however, used by reputable writers as synonymous with genuine, tho usually where genuineness carries a certain authority. We speak of accepted conclusions, certain evidence, current money, genuine letters, a legitimate conclusion or legitimate authority, original manuscripts, real value, received interpretation, sure proof, a true statement, a trustworthy witness, a veritable discovery.

    Synonyms:
    accepted, accredited, authentic, authoritative, authorized, current, genuine, legitimate, original, real, received, reliable, sure, true, trustworthy, veritable

    Antonyms:
    apocryphal, baseless, counterfeit, disputed, exploded, fabulous, false, fictitious, spurious, unauthorized

Princeton's WordNet

  1. certain(a)adjective

    definite but not specified or identified

    "set aside a certain sum each week"; "to a certain degree"; "certain breeds do not make good pets"; "certain members have not paid their dues"; "a certain popular teacher"; "a certain Mrs. Jones"

    Antonyms:
    undependable, flukey, unreliable, contingent, iffy, chancy, uncertain, careless, up in the air, indefinite, fluky

  2. certain(p), sureadjective

    having or feeling no doubt or uncertainty; confident and assured

    "felt certain of success"; "was sure (or certain) she had seen it"; "was very sure in his beliefs"; "sure of her friends"

    Antonyms:
    iffy, unreliable, chancy, undependable, flukey, careless, fluky, up in the air, uncertain, contingent, indefinite

  3. certain(p)adjective

    established beyond doubt or question; definitely known

    "what is certain is that every effect must have a cause"; "it is certain that they were on the bus"; "his fate is certain"; "the date for the invasion is certain"

    Antonyms:
    undependable, indefinite, flukey, up in the air, chancy, uncertain, iffy, unreliable, fluky, careless, contingent

  4. certain, sureadjective

    certain to occur; destined or inevitable

    "he was certain to fail"; "his fate is certain"; "In this life nothing is certain but death and taxes"- Benjamin Franklin; "he faced certain death"; "sudden but sure regret"; "he is sure to win"

    Synonyms:
    certain(p), sealed, certain(a), trusted, indisputable, sure

    Antonyms:
    indefinite, fluky, contingent, flukey, undependable, iffy, unreliable, careless, chancy, uncertain, up in the air

  5. sealed, certainadjective

    established irrevocably

    "his fate is sealed"

    Synonyms:
    certain(p), sealed, sure, certain(a), plastered

    Antonyms:
    up in the air, indefinite, careless, unreliable, iffy, undependable, uncertain, flukey, chancy, fluky, contingent

  6. certain, sureadjective

    reliable in operation or effect

    "a quick and certain remedy"; "a sure way to distinguish the two"; "wood dust is a sure sign of termites"

    Synonyms:
    certain(p), sealed, certain(a), trusted, indisputable, sure

    Antonyms:
    chancy, unreliable, flukey, careless, iffy, up in the air, fluky, undependable, contingent, uncertain, indefinite

  7. certain, sureadjective

    exercising or taking care great enough to bring assurance

    "be certain to disconnect the iron when you are through"; "be sure to lock the doors"

    Synonyms:
    certain(p), sealed, certain(a), trusted, indisputable, sure

    Antonyms:
    fluky, indefinite, chancy, iffy, undependable, careless, up in the air, unreliable, contingent, flukey, uncertain

Editors Contribution

  1. sure

    he was certain that he had got the question correct.

    Submitted by anonymous on October 5, 2020  
  2. confident

    i was certain i could win the race.

    Submitted by anonymous on January 11, 2021  

Dictionary of English Synonymes

  1. certainadjective

    Synonyms:
    indubitable, unquestionable, indisputable, undeniable, incontestable, uncontrovertible, unquestioned, undisputed, undoubted, absolute, positive, plain, past dispute, beyond all question, sure as fate, sure as a gun, clear as day, not doubtful

  2. certainadjective

    Synonyms:
    sure, assured, confident, undoubting, fully convinced

  3. certainadjective

    Synonyms:
    unfailing, infallible, never-failing

  4. certainadjective

    Synonyms:
    actual, real, existing

  5. certainadjective

    Synonyms:
    settled, determinate, fixed, stated, constant

  6. certainadjective

    Synonyms:
    one, some, particular

How to pronounce certain?

How to say certain in sign language?

Words popularity by usage frequency

rankingword
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#143number
#212real
#328current
#575few
#622given
#691original
#716sure
#738specific
#739several
#831true
#842individual
#891received
#1100certain
#1113particular
#1286safe
#1299regular
#1300secure
#1392selected
#1467positive
#1635established
#1672fixed
#1703specified
#1752accepted
#1920actual
#2328determined
#3303authorized
#3639reliable
#4677trusted
#4882sealed
#5018genuine
#6065authentic
#6692accredited
#7608confident
#8066legitimate
#8869assured
#8933convinced
#15906authoritative
#23137trustworthy
#36577undeniable
#39400veritable
#39518unmistakable
#45550infallible
#50305plastered
#60486indisputable
#79655unfailing
#105864incontrovertible
#173566indubitable

How to use certain in a sentence?

  1. M.ISSAWI:

    Death is the most certain truth in life !

  2. Officer Joshawua Mayfield:

    I feel like a lot of people hear negative remarks about policing, but sometimes thoughts without actions can be a little useless, if you feel a certain way about something, you should join the driving force that works hard every day to make a positive change.

  3. Pope Francis:

    You may be asking yourselves, 'Who is this man standing before us?' i would like to reply to that question with something absolutely certain about my own life: The man standing before you is a man who has been forgiven. A man who was, and is, saved from his many sins.

  4. Robert Murrett:

    For certain parts of the world there are definitely high-threat areas, and The State Department does a good job of telling people that we do not recommend you go there, this is just an advisory for people to do things that are prudent. I would have no reluctance at all for going to France for the Euro 2016 soccer tournament — and, for that matter, just about any place else in Western Europe. I ’m sure in this case the French will be providing terrific security.

  5. Seneca:

    Nothing is as certain as that the vices of leisure are gotten rid of by being busy.


Translations for certain

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"certain." Synonyms.com. STANDS4 LLC, 2022. Web. 29 Jun 2022. <https://www.synonyms.com/synonym/certain>.

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    An antonym of "spellbound"
    • A. disenchanted
    • B. fascinated
    • C. mesmerized
    • D. transfixed

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