stupid

US /ˈstuː.pɪd/

UK /ˈstuː.pɪd/

1.

having or showing a great lack of intelligence or common sense

:

•

That was a really stupid mistake.

•

Don't be stupid, that's not how it works.

:

foolish idiotic silly dumb senseless

:

intelligent smart clever wise bright

1.

a stupid person

:

•

Only a stupid would believe that story.

•

He called me a stupid for forgetting his birthday.

:

fool idiot moron dunce nitwit

:

genius intellectual sage