Instinct
Definition 1 of 3
Pro Tip 1/3
Unconscious Action
An instinct doesn't require conscious thought; it happens automatically. He ducked out of instinct when the ball flew at his head.
Pro Tip 2/3
Immediate Response
Instinct is often your immediate reaction before you've had time to think. By instinct, she immediately reached out to catch the falling vase.
Pro Tip 3/3
Inherent Skill
Some behaviors, like a spider spinning a web, are instinctual and don't need to be learned. Without teaching, the puppies knew by instinct how to play and chase.