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extravagance

American  
[ik-strav-uh-guhns] / ɪkˈstræv ə gəns /

noun

  1. excessive or unnecessary expenditure or outlay of money.

    Antonyms:
    frugality

  2. an instance of this.

    That sports car is an inexcusable extravagance.

  3. unrestrained or fantastic excess, as of actions or opinions.

    Synonyms:
    profusion, lavishness

  4. an extravagant action, notion, etc..

    the extravagances one commits in moments of stress.
extravagance British  
/ ɪkˈstrævəɡəns /

noun

  1. excessive outlay of money; wasteful spending

  2. immoderate or absurd speech or behaviour

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of extravagance

1635–45; < French, Middle French; extravagant, -ance

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.