certainty


cer·tain·ty

noun \ˈsər-tən-tē\

: the state of being or feeling certain about something

: something that is certain : a fact about which there is no doubt

plural cer·tain·ties

Full Definition of CERTAINTY

1
:  something that is certain
2
:  the quality or state of being certain especially on the basis of evidence

Examples of CERTAINTY

  1. Scientists still do not know with any degree of certainty why the disease spread so quickly.
  2. We cannot predict the outcome with absolute certainty.
  3. There was no certainty that the package would arrive in time.
  4. Her certainty about these complex moral issues is surprising.

First Known Use of CERTAINTY

14th century

Synonym Discussion of CERTAINTY

certainty, certitude, conviction mean a state of being free from doubt. certainty and certitude are very close; certainty may stress the existence of objective proof <claims that cannot be confirmed with scientific certainty>, while certitude may emphasize a faith in something not needing or not capable of proof <believes with certitude in an afterlife>. conviction applies especially to belief strongly held by an individual <holds firm convictions on every issue>.

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