1.  subduedness(n = noun.attribute) dimness - the property of lights or sounds that lack brilliance or are reduced in intensity;
is a kind of dullness
Derived forms adjective subdued₅, adjective subdued₁

2.  subduedness(n = noun.attribute) meekness - a disposition to be patient and long suffering;
is a kind of humbleness, humility
has particulars: spinelessness
Derived form adjective subdued₃