Having no mind; unintelligent, stupid, senseless; acting without concern for the consequences; purposeless; (of an activity, etc.) not requiring…

Of things: not possessing or connected with reason, intelligence, or sensation; irrational, unconscious, senseless; merely material; esp. in brute…

Devoid of intelligence.

Not endowed with intellect; unintelligent.

colloquial. Clumsy; stupid; mindless, unthinking. Cf. numbskull, n.

Non-mental; unconnected to or not influenced by the mind or intelligence. Now rare.