dullardry

Noun

rare uncountable

(rare) The behaviour or beliefs of a dullard; ignorance.

Japanese Meaning

愚か者の行動や信念、もしくはその愚かさ・無知さ

The meeting descended into such dullardry that no serious solution was proposed.

その会議は愚鈍者の振る舞いに陥り、真剣な解決策は提案されなかった。

Sense（1）

(rare) The behaviour or beliefs of a dullard; ignorance.

[…] simplicity and sophistication, dullardry and enthusiasm, dogmatism and flexibility, all were as current then as now.