Instinctive

The most instinctive act of nearly every creature is to protect its young, and with humans, this response persists for a lifetime.

All forms of life have an instinctive urge to survive.

Man has an instinctive tendency to speak, as we see in the babble of our young children, while no child has an instinctive tendency to bake, brew or write.

Drone racing is a high-speed sport demanding instinctive reflexes.

Moral rules ought not to be such as to make instinctive happiness impossible.

We have watched the fortunes of eight successive human species for a thousand million years, the first half of that flicker which is the duration of man. Ten more species now succeed one another, or are contemporary, on the plains of Neptune. We, the Last Men, are the Eighteenth Men. Of the eight pre-Neptunian species, some, as we have seen, remained always primitive; many achieved at least a confused and fleeting civilization, and one, the brilliant Fifth, was already wakening into true humanity when misfortune crushed it. The ten Neptunian species show an even greater diversity. They range from the instinctive animal to modes of consciousness never before attained. The definitely sub-human degenerate types are confined mostly to the first six hundred million years of man's sojourn on Neptune.

There is instinctive behavior, without premeditation, and premeditated behavior.

Anna's instinctive reaction to the massive spider was to let out a piercing shriek and rush out of the living room.

Your logical thinking often clashes with my instinctive decisions.

When approached by a stranger, Jared clenched his fists in an instinctive manner.