What are some alternative words for certain?

Synonyms for certain
ˈsɜr tn

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

Princeton's WordNet

  1. certain(a)(adj)

    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), sure(adj)

    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)(adj)

    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, sure(adj)

    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, certain(adj)

    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, sure(adj)

    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, sure(adj)

    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

Wiktionary

  1. certain(adjective)

    Antonyms:
    uncertain

  2. certain(adjective)

    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

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  

How to pronounce certain?

Alex
Alex
US English
Daniel
Daniel
British
Karen
Karen
Australian
Veena
Veena
Indian

How to say certain in sign language?

  1. certain

Words popularity by usage frequency

rankingword
#92some
#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. Saint Thomas Aquinas:

    Justice is a certain rectitude of mind whereby a man does what he ought to do in circumstances confronting him.

  2. A. C. Benson:

    As I make my slow pilgrimage through the world, a certain sense of beautiful mystery seems to gather and grow.

  3. Michel de Montaigne:

    Once you have decided to keep a certain pile, it is no longer yours; for you can't spend it.

  4. Jens Zimmerle:

    What's special about ice wine is that certain conditions must exist in order to press it: one is a minimum temperature of minus 7 degrees Celsius (19.4 degrees Fahrenheit).

  5. Nick Reaves:

    The states decision to exclude certain agencies and certain very successful agencies like St. Vincent simply because of their religious beliefs causes unnecessary harm to the countless kids theyre serving now and could be serving in the future merely because the attorney general doesnt like what St. Vincent believes and has believed for over 75 years.


Translations for certain

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    Quiz

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    Which of the following words is not a synonym of the others?
    • A. certain
    • B. dicey
    • C. iffy
    • D. chancy

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