Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: certainty  sur-t(u)n-tee
  1. The state of being certain
    "his certainty reassured the others"
  2. Something that is certain
    "his victory is a certainty";
    - sure thing, foregone conclusion, cert [Brit, informal], dead cert [Brit, informal]

Derived forms: certainties

See also: certain, incertain [non-standard], sure, uncertain, unsure

Type of: cognitive state, quality, state of mind

Antonym: uncertainness, uncertainty

Encyclopedia: Certainty