From Longman Dictionary of Contemporary Englishfatuousfat‧u‧ous /ˈfætʃuəs/ adjective STUPID/NOT SENSIBLEvery silly or stupid SYN idiotic fatuous questions —fatuously adverb —fatuousness noun [uncountable]
Examples from the Corpus
fatuous• The first assumption of the Census Bureau, therefore, must be viewed as fatuous at worst, naive at best.• Made some fatuous comment about using the smaller car.• Others ask them fatuous questions such as whether beds are comfortable or whether they like their teachers.• fatuous speeches• Let the fatuous sun shine by itself and let's head for the moon.• Hesitating, Eline pushed open the door, it seemed fatuous to knock, a foolish act of politeness in the circumstances.Origin fatuous (1600-1700) Latin fatuus “stupid, tasteless” 