unconditioned : Idioms & Phrases
The unconditioned
(Metaph.) , all that which is inconceivable and beyond the realm of reason; whatever is inconceivable under logical forms or relations.
Webster 1913
unconditioned reflex
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noun an automatic instinctive unlearned reaction to a stimulus
inborn reflex; innate reflex; reflex action; instinctive reflex; reflex response; physiological reaction; reflex.