Definition of "economical" []

• Prudent and thrifty in management; not wasteful or extravagant. See Synonyms at sparing. (adjective)
• Intended to save money, as by efficient operation or elimination of unnecessary features; economic: an economical heating system; an economical approach to control of corporate growth. (adjective)
• Using the minimum required; not wasteful of time, effort, resources, etc (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• Frugal; thrifty (adjective)
• Deliberately withholding information (esp in the phrase economical with the truth) (adjective)

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• "That being said, hotels doors in economical hotels usually leave something to be desired in security."
• "Customers identify and validate the requirements to be addressed and evaluate the contractor's performance, and ensure that the contract is used in economical and efficient ways."
• "They have more specialized uses and are often more difficult to extract in economical quantities than base metals like copper, tin and lead."