愚ぐ劣れつ

na-adjective, noun

foolishness; stupidity; silliness

Describes a person, action, or idea as foolish, stupid, or lacking good sense. Often used in formal or written contexts.

• 彼かれの愚ぐ劣れつな行こう動どうには呆あきれてしまった。

  I was appalled by his foolish behavior.

• そんな愚ぐ劣れつな考かんがえはすぐに捨すてるべきだ。

  You should discard such a stupid idea immediately.