noun, plural im·pi·e·ties. 1.lack of piety; lack of reverence for God or sacred things; irreverence.
2.lack of dutifulness or respect.
3.an impious act, practice, etc.
Origin: 1300–50; Middle English impietie <
Latin impietās, equivalent to
impi(
us)
impious +
-etās, variant, after vowels, of
-itās -ity