unseemly

Ten o'clock at night is an unseemly time for a visit unless you have been invited.

It used to be unseemly for women to wear pants, but now it isn't.

There are innumerable ways to use "unseemly" in a compound sentence. On example could be: The large, heavy St. Bernard dog looked unseemly for the obstacle course, but he was really quite agile.

Wooden features were replaced with stone while roofs, now considered unseemly, were hidden behind a stone parapet.