Definition of instinctually in US English:

instinctually

adverb

  • In a way that relates to an innate, typically fixed pattern of behavior; by instinct.

    ‘the ant instinctually tries to fulfill the needs of its community’
    ‘I knew instinctually that I had to get out’

Pronunciation

instinctually

/inˈstiNG(k)(t)SH(o͞o)əlē//ɪnˈstɪŋ(k)(t)ʃ(u)əli/