Online Google Dictionary

uncertain 中文解釋 wordnet sense Collocation Usage Collins Definition
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Not able to be relied on; not known or definite,
  1. Not able to be relied on; not known or definite
    • - an uncertain future
  2. (of a person) Not completely confident or sure of something
    • - I was uncertain how to proceed

  1. 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"
  2. unsealed: not established or confirmed; "his doom is as yet unsealed"
  3. changeable: subject to change; "a changeable climate"; "the weather is uncertain"; "unsettled weather with rain and hail and sunshine coming one right after the other"
  4. not consistent or dependable; "an uncertain recollection of events"; "a gun with a rather uncertain trigger"
  5. ambiguous (especially in the negative); "she spoke in no uncertain terms"
  6. (uncertainly) unsteadily: in an unsteady manner; "he walked unsteadily toward the exit"; "The wounded soldier was swinging unsteadily on his legs"
  7. Uncertain is the first EP of the Irish band The Cranberries, having previously released cassette EPs under the name The Cranberry Saw Us. Uncertain was released by Xeric Records on both CD and 12" vinyl formats. Approximately 5,000 total copies of "Uncertain" were ever produced.
  8. (Uncertainty (film)) Uncertainty is a 2008 indie drama film written, produced, and directed by American independent filmmakers Scott McGehee and David Siegel, and starring Lynn Collins and Joseph Gordon-Levitt. It was first released at the 2008 Toronto International Film Festival.
  9. not known for certain; questionable; not yet determined; undecided; variable and subject to change; fitful or unsteady; unpredictable or capricious
  10. (Uncertainty) An expression of the degree to which a value (eg, the future state of the climate system) is unknown. Uncertainty can result from lack of information or from disagreement about what is known or even knowable. ...
  11. (UNCERTAINTY) The degree to which the measured value of some quantity is estimated to vary from the true value. ...
  12. (Uncertainty) Lack of sure knowledge or predictability because of randomness.
  13. (Uncertainty) a situation in which an individual has incomplete information as to what is going to happen in the future. Economists sometimes distinguish between risk and uncertainty. ...
  14. (UNCERTAINTY) one of five criteria for wisdom; a willingness to accept that there may be no one correct solution
  15. (Uncertainty) A characteristic of a system or decision where the probabilities that certain states or outcomes have occurred or may occur is not precisely known. A concept that reflects a lack of confidence about something, including forecasts. ...
  16. (Uncertainty) A condition where the outcome can only be estimated due to incomplete or imperfect knowledge of the area / subject in question. In practice, uncertainty impacts upon the quality of risk assessments by managers.
  17. (Uncertainty) A lack of knowledge about stochastic events and the ecological and social processes that affect fish.
  18. (Uncertainty) A measure of the amount of doubt or distrust with which the data should be used.
  19. (Uncertainty) A situation in which a decision maker has neither certainty nor reasonable probability estimates available.
  20. (Uncertainty) Arises when the outcomes of courses of action are indeterminate or subject to doubt.
  21. (Uncertainty) Committee considered concerns that the bill would lead to greater business uncertainty were overstated, but did recommend that the ACCC and ASIC issue guidelines on the bill’s provisions
  22. (Uncertainty) Contrasts with a trend. A trend is something that's gradually happening. An uncertainty is a trend or event that has a reasonable chance of happening. If it does happen, and it will make a major difference, it's known as a critical uncertainty. ...
  23. (Uncertainty) Describes situations where potential outcomes cannot be estimated based on historical events.
  24. (Uncertainty) Estimates of future performance always entail uncertainty, the inverse of confidence. It is useful to quantify the uncertainty to perform Sensitivity Analysis, demonstrating the possible impacts of different levels of performance. See Sensitivity Analysis.
  25. (Uncertainty) Failure to know anything that may be relevant for an economic decision, such as future variables, details of a technology, or sales. In models, uncertainty usually appears as a random variable and corresponding probability density function. ...