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inflation

nounattested in dialogue

  • United Kingdom//ɪnˈfleɪ.ʃn̩//
  • United States//ɪnˈfleɪ.ʃən//

An act, instance of, or state of expansion or increase in size, especially by injection of a gas or liquid.

noun

  1. 1

    An act, instance of, or state of expansion or increase in size, especially by injection of a gas or liquid.

    The inflation of the balloon took five hours.

  2. 2

    An increase in the quantity of money, leading to a devaluation of existing money, adjusted for by way of higher nominal values.

    Due to inflation, the monthly gym fee is rising by 10% from January.

  3. 3

    Undue expansion or increase, as of academic grades.

  4. 4

    An extremely rapid expansion of the universe, theorized to have occurred very shortly after the Big Bang.

Etymology

From Middle English, borrowed from Old French inflation (“swelling”), from Latin īnflātiō (“expansion", "blowing up”), from īnflātus, the perfect passive participle of īnflō (“blow into, expand”), from in (“into”) + flō (“blow”). By surface analysis, inflate + -ion.

Forms

plural
inflations
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).