Carmen looked down, pushing an indecent thought away.
We'd better go in before I make another indecent proposal.
Looking at the question then from the point of view of sexual selection it would seem that a stage in the progress of human society is marked by the discovery that concealment affords a greater stimulus than revelation; that the fact is true is obvious, - even to modern eyes a figure partially clad appears far more indecent than a nude.
The Areois travelled about, devoting their whole time to feasting, dancing (the chief dance of the women being the grossly indecent Timorodeementionedby Captain Cook), and debauchery, varied by elaborate realistic stage presentments of the lives and loves of gods and legendary heroes.
If he was getting ready to make an indecent proposal, she didn't want Katie to hear the squelching reply she had planned.