mustiness

From musty +‎ -ness.

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mustiness (countable and uncountable, plural mustinesses)

1. The characteristic of being musty.
   • 1933, Baroness Orczy [i.e., Emma Orczy], chapter I, in The Way of the Scarlet Pimpernel, New York, N.Y.: G[eorge] P[almer] Putnam’s Sons, published 1934, →OCLC, page 1:

     But during those two years for some reason or other the house had fallen into premature and rapid decay. With a very few months an air of mustiness began to hang over the once palatial residence of the rich foreign financier.