← BackshareGuessstupidly/ˈstuːpɪdli/adverbIn a way that shows a lack of intelligence or good judgment; foolishly.He stupidly left his keys in the locked car.I stupidly forgot to save my work before the computer crashed.She stupidly agreed to lend money to someone she barely knew.SynonymsfoolishlyAntonymssensiblywisely