They published a paper to this effect, which was widely criticised as being extremely stupid.

Then I burst out laughing, thinking him extremely stupid not to see the point' (p. 229).

They have bad teeth and are extremely stupid, often endangering their lives because of it.

Or maybe I didn't want to admit to myself that I'd been extremely stupid.

Getting readdicted to a drug about to disappear for good from this part of the world would be extremely stupid.

Heather has two friends who are extremely stupid and seem to exist to do her bidding.

Most of the time comes across as extremely stupid.

He didn't issue a full denial in 1996 when it was first brought up only on the extremely stupid advice of his campaign staff.

I have to say that, in my view, that is extremely stupid.

The look he gave her made her feel extremely stupid - and disappointed.