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Certain

 - 10 of 88 thesaurus results
Main Entry: certain
Part of Speech: adjective
Definition: confident

Synonyms:

assertive, assured, believing, calm, cocksure, convinced, positive, questionless, sanguine, satisfied, secure, self-confident, sure, unconcerned, undisturbed, undoubtful, undoubting, unperturbed, untroubled

Antonyms:

doubtful, doubting, hesitant, uncertain, unconfident, unsure
Main Entry: certain
Part of Speech: adjective
Definition: undoubtable, valid

Synonyms:

absolute, ascertained, authoritative, clear, conclusive, confirmable, definite, demonstrable, destined, determined, establishable, evident, firm, fixed, genuine, guaranteed, having down pat, in the bag, incontrovertible, indubitable, infallible, irrefutable, known, on ice, plain, positive, predestined, provable, real, reliable, safe, salted away, set, sound, supreme, sure, sure thing, true, trustworthy, unambiguous, undeniable, undoubted, unequivocal, unerring, unmistakable, verifiable

Antonyms:

doubtful, dubious, faltering, questionable, uncertain, unreliable, unsure
Main Entry: certain
Part of Speech: adjective
Definition: fixed

Synonyms:

assured, bound, certified, concluded, decided, definite, determined, ensured, established, guaranteed, insured, set, settled, stated, stipulated, sure, warranted

Antonyms:

uncertain, undecided, unfixed, unpredictable
Main Entry: certain
Part of Speech: adjective
Definition: referring to a specifically known amount

Synonyms:

a couple, a few, defined, divers, express, individual, many, marked, numerous, one, particular, precise, regular, several, singular, some, special, specific, specified, sundry, upwards of, various
Main Entry: accurate
Part of Speech: adjective
Definition: correct, without error

Synonyms:

absolute, actual, authentic, authoritative, certain, conclusive, definite, definitive, errorless, exact, factual, faultless, final, flawless, genuine, infallible, irrefutable, official, perfect, right, straight, strict, true, truthful, undeniable, undisputed, unimpeachable, unquestionable, unrefuted, valid, veracious

Antonyms:

doubtful, erroneous, false, inaccurate, misleading, mistaken, questionable, untruthful, wrong
Main Entry: actual
Part of Speech: adjective
Definition: truly existing, real

Synonyms:

absolute, authentic, categorical, certain, concrete, confirmed, definite, factual, for real, genuine, hard, honest injun, honest to God, indisputable, indubitable, kosher*, physical, positive, realistic, substantial, substantive, sure enough, tangible, true, truthful, undeniable, unquestionable, verified

Antonyms:

counterfeit, false, fictitious, imaginary, legendary, pretended, unreal
Main Entry: assertive
Part of Speech: adjective
Definition: aggressive

Synonyms:

absolute, assured, certain, confident, decided, decisive, demanding, dogmatic, domineering, emphatic, firm, forceful, forward, insistent, militant, overbearing, positive, pushy, self-assured, self-confident, strong-willed, sure

Antonyms:

diffident, quiet, shy, unconfident
Main Entry: assured
Part of Speech: adjective
Definition: confident

Synonyms:

assertive, audacious, bold, brazen, certain, cocksure, collected, complacent, composed, confident, cool, gung ho, gutsy, high*, imperturbable, overconfident, poised, positive, puffed up, pumped up, pushy, rosy, sanguine, secure, self-assured, self-confident, self-possessed, sure, unflappable, unhesitating, upbeat*

Antonyms:

confused, dismayed, distrustful, doubtful, doubting, fearful, hesitant, nervous
Main Entry: authentic
Part of Speech: adjective
Definition: real, genuine

Synonyms:

accurate, actual, authoritative, bona fide, certain, convincing, credible, creditable, dependable, factual, faithful, for real, legit, legitimate, official, original, pure, reliable, sure, true, trustworthy, trusty, twenty-four carat, valid, veritable
Notes: genuine means not fake or counterfeit - or sincerely felt or expressed, while authentic means conforming to fact and therefore worthy of belief and trust

Antonyms:

counterfeit, fake, false, falsified, unauthorized, ungenuine, unreal
Main Entry: automatic
Part of Speech: adjective
Definition: occurring as natural consequence

Synonyms:

assured, certain, inescapable, inevitable, necessary, routine, unavoidable

Antonyms:

stilted, unnatural
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