Found 2 items, similar to instinctively.
English → English (WordNet) Definition: instinctively instinctively adv : as a matter of instinct; “he instinctively grabbed the knife”
English → English (gcide) Definition: Instinctively Instinctively \In*stinc"tive*ly\, adv. In an instinctive manner; by force of instinct; by natural impulse. [1913 Webster]