123456789Keywordbluntobtusedullflatdim-wittedFrequency#3016Strokes9ReadingsdùnMnemonic钅 (metal) gives the meaning and 屯 the sound.Stroke orderComposed of钅gold屯stationUsed in vocabulary迟钝chídùnslow in one's reactions; sluggish (in movement or thought)钝dùnblunt; stupid愚钝yúdùnstupid; slow-witted钝化dùnhuà(chemistry) to passivate钝器dùnqìblunt instrument (used as a weapon)钝角dùnjiǎoobtuse angle鲁钝lǔdùnstupid; slow on the uptake驽钝núdùn(literary) dull; slow-witted