Quinquennium

//kwɪŋˈkwɛniəm// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A period of five years.

    "During the quinquennium from 1991 to 1995, infant mortality increased."

  2. 2
    a period of five years wordnet

Synonyms

All synonyms
annumcenturydaydecadefortnighthour

Example

More examples

"During the quinquennium from 1991 to 1995, infant mortality increased."

Etymology

From Latin quīnquennium, from quinquennis (“5-year”) + -ium (suffix forming abstract nouns).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.