Nantoka/愚钝yú dùnTraditional: 愚鈍愚钝 (yú dùn) is a Chinese word meaning “stupid; slow-witted”.Meanings1stupid2slow-wittedCharacters in 愚钝愚yú · to be stupid钝dùn · bluntRelated words愚蠢silly迟钝slow in one's reactions愚弄to make a fool out of钝blunt愚昧ignorant; uneducated愚人stupid person愚笨stupid愚to be stupid愚人节April Fools' Day愚昧无知stupid and ignorant (idiom)钝角obtuse angle愚鲁dull-witted; foolishStudy Chinese with flashcards →