imbecilic

But aging Jonas also has the perhaps unintended effect of making his naiveté seem slightly imbecilic.

Again and again soldiers are referred to as animals, as cretins turned lunatic by such "senseless, imbecilic violence."

Obama is hardly a shallow academic scoring easy moral points with a pretty—if morally imbecilic—phrase.

I suppose we must accept some of the more imbecilic aspects of your warped genius.

He, Hunter, was the one who deserved execution for ever entrusting anything so important as the message to an imbecilic animal.

The idleness of the imbecile is always imbecilic, but the dreams of a poet have spells that enthrall.

If stimulated by association with girls, he makes crude and imbecilic plans for conquest.

It needs no argument to show that all the rest of his conduct in leaving things as he did was imbecilic.