instinctive

UK: ɪnˈstɪŋktɪv | US: ɪnˈstɪŋktɪv

Definition
  1. adj. relating to or prompted by instinct; done without conscious thought

  2. adj. innate, natural, or automatic in behavior

Structure
instinct <innate impulse>ive <adjective suffix>
Etymology

The word "instinctive" derives from the Latin instinctus (meaning "impulse" or "instigation"), combined with the suffix -ive, which forms adjectives indicating a tendency or relation. The root "instinct" originally referred to an innate drive or natural impulse, often observed in animal behavior. Over time, "instinctive" evolved to describe actions or reactions that occur without deliberate thought, emphasizing spontaneity and naturalness.

Examples
  1. Her instinctive reaction was to step back when the dog barked.

  2. Birds have an instinctive ability to build nests.

  3. He made an instinctive decision to swerve the car and avoid the collision.

  4. The child showed an instinctive fear of loud noises.

  5. Even without training, his instinctive leadership skills emerged during the crisis.