As an adjective foolish
is lacking good sense or judgement; unwise.
As a noun jackassery is
the foolish or obnoxious behaviour of a jackass.
Lacking good sense or judgement; unwise.
*:As a political system democracy seems to me extraordinarily foolish , but I would not go out of my way to protest against it. My servant is, so far as I am concerned, welcome to as many votes as he can get. I would very gladly make mine over to him if I could.
Resembling or characteristic of a fool.
*:It is a profitable thing, if one is wise, to seem foolish .
The foolish or obnoxious behaviour of a jackass.
*1955 , edition, ISBN 0553249592, page 134:
*:the hypothesis that Karnow had made a new will deserved a little exploration. To ask any of you about it would of course have been jackassery .