doltishness

Example:The king displayed egregious foolishness in his decision to hire a court jester who specialized in assassination plans.

Definition:The quality of being foolish; a behavior or attitude that shows a lack of intelligence or good sense.

Example:The children's silliness got the better of them, and they started pushing each other on the seesaw instead of counting.

Definition:The state of being silly; foolish or nonsensical behavior.

Example:Their plan for world domination exhibited remarkable stupidity, as they didn't account for any countermeasures.

Definition:The quality of being stupid or lacking in intelligence; a lack of understanding or judgment.