Definition of "stupid"

I should have spoke to him there and then, seen he was in the mood to do something stupid.

2014 May 1, John Barker, Futures: A Novel‎, PM Press, page 131

No sigh to rise, no tear had pow'r to flow, Fix'd in a stupid lethargy of woe.

1702, Alexander Pope, Sappho, section 128

Were it not for [fire], the whole wou'd be one great stupid inanimate mass.

1744, George Berkeley, Siris, §190

She had never seen Frank Churchill so silent and stupid. He said nothing worth hearing—looked without seeing—admired without intelligence—listened without knowing what she said.

1815, Jane Austen, Emma, volume III, chapter 7

Mom: Oh you stupid car! What's wrong with you now?!?Calvin: That's it, Mom! Go ahead and swear! We don't mind!

1986 February 23, Bill Watterson, Calvin & Hobbes (comic)

Calvin, be quiet and eat the stupid lima beans.

1986 April 7, Bill Watterson, Calvin & Hobbes (comic)

Dewey: "It's too narrow for all three of us. Oh, bummer!"Huey: "Or we could just go single file."Dewey: "Stupid smart Huey..."

2018, “The Secret(s) of Castle McDuck!”, in DuckTales

Richard DeLongpre: Aw, we did, didn't we? I'm sorry. I'm so stupid in love with you.

2011 Allen Gregory, "Pilot" (season 1, episode 1)

I'm your mother, sister, your father, brother / This family is stupid attractive

2013, Lady Gaga (lyrics and music), “Jewels N' Drugs”, in Artpop

"You stupid!" screamed the girls, "we've got to guess the word. Now you'll have to go back and think of another."

1910, Saki [pseudonym; Hector Hugh Munro], “The Strategist”, in Reginald in Russia and Other Sketches, London: Methuen & Co. […], page 87

"What a stupid I am!" Harry exclaimed, as she watched the man ride away in the distance.

1922, Elizabeth G. Young, Homestead ranch

Some stupid with a flare gun burned the place to the ground.

1972, “Smoke on the Water”, performed by Deep Purple

At least those stupids got their money's worth out of this country before they burnt their lungs out.

1996, Anita Rau Badamim, Tamarind Mem