Word.ws English Dictionary

certain events

certain events is the plural of certain event.

Meaning of certain event

Noun

certain event (plural certain events)

  1. An event that contains all of the possible outcomes and thus is known a priori to be certain to occur;
    • Measure 0 is assigned to an impossible event, and measure 1 is assigned to a certain (sure) event. A certain event is denoted as #92;Omega; an impossible event, as #92;empty.1995, Michael Pecht, Product Reliability, Maintainability, and Supportability Handbook, CRC Press, page 17
  2. (more formally) the entire sample space (which by definition has measure 1 and probability 1); said sample space with the exclusion of, at most, a set of measure 0 (thus retaining measure 1).

Questions about certain events

What is certain events the plural of?
Certain events is the plural of certain event.

Words near certain events in the dictionary

  1. Certa
  2. certain
  3. certain as death and taxes
  4. certain as death or taxes
  5. certain event
  6. certain events
  7. certain person
  8. certain persons
  9. certaine
  10. certainer
  11. certainest

Source and license

Adapted from Wiktionary: certain events (page history and authors); certain event (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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