Definition of "costlessly" []

• Without cost (adverb)

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• "If goods were costlessly tradable and prices were flexible, then the two prices would have to be equal and the real exchange rate would always be one -- one candy bar for one candy bar."
• "Or, as we are violating basic laws of how the world works so we might as well throw aside thermodynamics too, just start costlessly changing salt water into light crude."
• "Copyrights by contrast arise often costlessly and inadvertently: easy to create."