#450a. Absence or want of Intellect. -- N. absence of intellect, want of intellect &c. 450; imbecility &c. 499.: brutality, brute force.
instinct, brute instinct, stimulus-response loop, conditioned response, instinctive reaction, Pavlovian response.
mimicry, aping (imitation) 19.
moron, imbecile, idiot; fool &c. 501; dumb animal; vegetable, brain- dead.
Adj. unendowed with reason, void of reason; thoughtless; vegetative; moronic, idiotic, brainless [all pejorative].
Adv. instinctively, like Pavlov's dog; vegetatively.
V. mimic, ape (imitate) 19; respond instinctively.