From Wiktionary, the free dictionary
Jump to navigation Jump to search


A cask for transporting californium-252. Californium-252 is expensive, costing ~$27 million per gram.

Alternative forms




From Latin *expēnsīvus, from expendō (to weigh out (money), to pay out) (whence English expend).[1] By surface analysis, expense +‎ -ive. In the sense of "high-priced" has largely displaced dear.





expensive (comparative more expensive, superlative most expensive)

  1. Having a high price or cost.
    Synonyms: costly, high-priced, pricey, dear; see also Thesaurus:expensive
    Antonyms: cheap, inexpensive, low-priced
    • 2006, Edwin Black, “The Plan Against Oil”, in Internal Combustion: How Corporations and Governments Addicted the World to Oil and Derailed the Alternatives, New York: St. Martin's Press, →ISBN, page 2:
      If successful, Edison and Ford—in 1914—would move society away from the ever more expensive and then universally known killing hazards of gasoline cars: air and water pollution, noise and noxiousness, constant coughing and the undeniable rise in cancers caused by smoke exhaust particulates.
    • 2013 June 22, “The G8 summit: T time”, in The Economist[1], London: The Economist Group, →ISSN, →OCLC, archived from the original on 2013-07-09:
      In Starbucks’s case, the firm has in effect turned the process of making an expensive cup of coffee into intellectual property.
  2. (computing) Taking a lot of system time or resources.
    an unnecessarily expensive choice of algorithm
  3. (obsolete) Given to expending a lot of money; profligate, lavish.

Derived terms




See also



  1. ^ expensive”, in OED Online Paid subscription required, Oxford, Oxfordshire: Oxford University Press, launched 2000.