'Unintelligent' in the Bible

Do not be like an unintelligent horse or mule, which will not obey you unless they are controlled by a bridle and bit.

And he says to them, Are ye also thus unintelligent? Do ye not perceive that all that is outside entering into the man cannot defile him,

I am a debtor both to Greeks and barbarians, both to wise and unintelligent:

because, having known God they did not glorify Him as God, nor gave thanks, but were made vain in their reasonings, and their unintelligent heart was darkened,

unintelligent, faithless, without natural affection, implacable, unmerciful;

But I say, Did not Israel know? first Moses saith, 'I will provoke you to jealousy by that which is not a nation; by an unintelligent nation I will anger you,'