instinctive
adjectiveUK /ɪnˈstɪŋk.tɪv/
US /ɪnˈstɪŋk.tɪv/
Doing something right away without thinking, because your body just knows how.
Birds build nests in an instinctive way, without being taught.
RELATED WORDS
OTHER MEANINGS
2. Happening as a quick reaction that you cannot control.
She gave an instinctive shout when the ball flew at her.
3. Coming from deep feelings rather than careful thought.
He had an instinctive liking for the friendly dog.
4. Done by animals because of the way they are born, not because they learned it.
Salmon swim upstream by instinctive behavior.