|ində̇|kōrəm, -dē|k-, -kȯr- noun
Etymology: Latin, neuter of indecorus indecorous
1. : something (as an action) that is indecorous : an offense against decorum
an indecorum for which she refused to forgive him
2. : the quality or state of being indecorous : lack of decorum : impropriety
the general indecorum of their lives — Lionel Trilling