uncertain

un·cer·tain

U0033700 (ŭn-sûr′tn)adj.1. Not known or established; questionable: domestic changes of great if uncertain consequences.2. Not determined; undecided: uncertain plans.3. Not having sure knowledge: an uncertain recollection of the sequence of events.4. a. Subject to change; variable: uncertain weather.b. Unsteady; fitful: uncertain light.

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un·cer′tain·ly adv.un·cer′tain·ness n.

uncertain

(ʌnˈsɜːtən) adj1. not able to be accurately known or predicted: the issue is uncertain. 2. (when: postpositive, often foll by of) not sure or confident (about): a man of uncertain opinion. 3. not precisely determined, established, or decided: uncertain plans. 4. not to be depended upon; unreliable: an uncertain vote. 5. liable to variation; changeable: the weather is uncertain. 6. in no uncertain terms a. unambiguouslyb. forcefully unˈcertainly adv unˈcertainness n

un•cer•tain

(ʌnˈsɜr tn)

adj. 1. not known precisely; not fixed, as in time of occurrence, number, or size. 2. not confident or assured; hesitant. 3. not clearly determined; unknown: a manuscript of uncertain origin. 4. vague or indistinct. 5. variable; unstable. 6. unreliable. [1250–1300] un•cer′tain•ly, adv. un•cer′tain•ness, n.

Thesaurus

Adj.	1.	uncertain - lacking or indicating lack of confidence or assurance; "uncertain of his convictions"; "unsure of himself and his future"; "moving with uncertain (or unsure) steps"; "an uncertain smile"; "touched the ornaments with uncertain fingers"incertain, unsuresure, certain - 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"
	2.	uncertain - not established beyond doubt; still undecided or unknown; "an uncertain future"; "a manuscript of uncertain origin"; "plans are still uncertain"; "changes of great if uncertain consequences"; "without further evidence his story must remain uncertain"indeterminate, undetermined - not precisely determined or established; not fixed or known in advance; "of indeterminate age"; "a zillion is a large indeterminate number"; "an indeterminate point of law"; "the influence of environment is indeterminate"; "an indeterminate future"certain - 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"
	3.	uncertain - not established or confirmed; "his doom is as yet unsealed"unsealed
	4.	uncertain - not certain to occur; not inevitable; "everything is uncertain about the army"; "the issue is uncertain"unpredictable - not capable of being foretoldsure, certain - 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"
	5.	uncertain - subject to change; "a changeable climate"; "the weather is uncertain"; "unsettled weather with rain and hail and sunshine coming one right after the other"changeable, unsettledvariable - liable to or capable of change; "rainfall in the tropics is notoriously variable"; "variable winds"; "variable expenses"
	6.	uncertain - not consistent or dependable; "an uncertain recollection of events"; "a gun with a rather uncertain trigger"undependable, unreliable - not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant"
	7.	uncertain - ambiguous (especially in the negative); "she spoke in no uncertain terms"ambiguous - having more than one possible meaning; "ambiguous words"; "frustrated by ambiguous instructions, the parents were unable to assemble the toy"

uncertain

adjective1. unsure, undecided, at a loss, vague, unclear, doubtful, dubious, ambivalent, hazy, hesitant, vacillating, in two minds, undetermined, irresolute He stopped, uncertain how to put the question tactfully.
unsure sure, certain, positive, resolute, unhesitating2. doubtful, undetermined, unpredictable, insecure, questionable, ambiguous, unreliable, precarious, indefinite, indeterminate, incalculable, iffy (informal), changeable, indistinct, chancy, unforeseeable, unsettled, unresolved, in the balance, unconfirmed, up in the air, unfixed, conjectural Students all over the country are facing an uncertain future.
doubtful decided, certain, known, clear, firm, fixed, settled, reliable, predictable, definite, clear-cut, unambiguous

uncertain

adjective1. Not affording certainty:ambiguous, borderline, chancy, clouded, doubtful, dubious, dubitable, equivocal, inconclusive, indecisive, indeterminate, problematic, problematical, questionable, unclear, unsure.Informal: iffy.Idioms: at issue, in doubt, in question.2. In doubt or dispute:arguable, contested, debatable, disputable, doubtful, exceptionable, moot, mootable, problematic, problematical, questionable.3. Liable to more than one interpretation:ambiguous, cloudy, equivocal, inexplicit, nebulous, obscure, unclear, vague.4. Of dubious character:doubtful, equivocal, questionable, shady, suspect, suspicious.Informal: fishy.5. Marked by lack of firm decision or commitment; of questionable outcome:indefinite, open, undecided, undetermined, unresolved, unsettled, unsure, vague.Idiom: up in the air.6. Experiencing doubt:doubtful, dubious, skeptical, undecided, unsure.Idiom: in doubt.7. Capable of or liable to change:alterable, changeable, fluid, inconstant, mutable, unsettled, unstable, unsteady, variable, variant.Archaic: various.8. Following no predictable pattern:capricious, changeable, erratic, fantastic, fantastical, fickle, freakish, inconsistent, inconstant, mercurial, temperamental, ticklish, unpredictable, unstable, unsteady, variable, volatile, whimsical.

Translations

不确定的不可预测的

uncertain

(anˈsəːtn) adjective1. (of a person) not sure; not definitely knowing. I'm uncertain of my future plans; The government is uncertain what is the best thing to do. 不確定的, 無法確知的 不确定的，不可预测的 2. not definitely known or settled. My plans are still uncertain; The uncertain weather delayed our departure. 未知的，未定的 不确定的unˈcertainly adverb 不確定地 不确定地

uncertain

→ 不确定的zhCN