'spensive

Adjective

expensive (comparative more expensive, superlative most expensive)

1. Having a high price or cost.
   • 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.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

   Synonyms:

   costly, high-priced, pricey, dear

   Antonyms:

   cheap, inexpensive, low-priced

2. 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.
   • […] And that he looked into his own affairs, and underſtood them; That he had, when abroad, been very expenſive; and contracted a large debt (for he made no ſecret of his affairs); […]1748, [Samuel Richardson], “Letter IV. Miſs Clarissa Harlowe, To Miſs Howe.”, in Clarissa. Or, The History of a Young Lady: […], volume I, London: […] S[amuel] Richardson; [a]nd sold by A[ndrew]...
4. Having a high economy rate.

   Antonyms:

   economical