The state of being expensive; entailing great expense.(noun)
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Use "expensiveness" in a sentence
"Mary was used to the expensiveness of Mrs. O'Callahan, but here was a new kind of expensiveness, subtle and compelling, strangely unconscious."
"In one indication of the trend, a key gauge of the expensiveness of the euro-for-dollar trade has widened to a negative 0.45 percentage point, compared with a negative 0.25 percentage point on July 1."
"Yet this Waikiki house stressed no less than the rest in beauty, in dignity, and in expensiveness of upkeep."