Home › N › nincompoopMeaningsnincompoop/ˈnɪŋkəmpuːp/nounउच्चारण निंकम्पूपमूर्ख, बुद्धू, बेवकूफ़Advanced wordnoun1[C] informal, old-fashioneda stupid personमूर्ख, बुद्धू, बेवकूफ़Only a nincompoop would leave the car keys in the car.Don't be such a nincompoop!Synonyms fool idiot dunce simpleton blockheadOpposite genius sage← nimbusnine →