instinctual
adjective
in·stinc·tu·al
in-ˈstiŋ(k)-chə(-wə)l, -ˈstiŋ(k)sh-wəl 
: of, relating to, or based on instincts
instinctual behavior
the instinctual society of social insects
Cite this Entry
“Instinctual.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/instinctual. Accessed 31 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share