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Synonyms

instinctively

American  
[in-stingk-tiv-lee] / ɪnˈstɪŋk tɪv li /
Also instinctually

adverb

  1. in a way that is innate, unlearned, or not under conscious control.

    A smiling mouth raises the pitch of the voice, which is instinctively perceived as less dominant and more approachable.

    My few friends were often unavailable for play, so I instinctively turned to the family dog.

  2. in a way that stems from natural insight or inclination; intuitively.

    The exhibits are intended to be used instinctively, and the instructions and explanations are easy to understand.


Other Word Forms

Etymology

Origin of instinctively

instinctive ( def. ) + -ly

Explanation

Acting instinctively means doing something without thinking because it comes naturally to you—like catching a ball thrown your way or dodging out of danger. The adverb instinctively comes from the noun instinct, which refers to "an innate, natural response." When you react instinctively, you’re relying on automatic impulses or "gut feelings," often without realizing it. For instance, if you instinctively reach out to catch a falling object or flinch when startled, your brain is bypassing conscious thought to help keep you safe.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The electrical field created by the device’s magnetic technology is exponentially greater than anything a shark would encounter naturally, so they instinctively avoid it.

From The Wall Street Journal • May 31, 2026

No apps or GPS - just a system passed down through generations of workers who know Mumbai's trains and streets instinctively.

From BBC • May 29, 2026

Newhouse was instinctively private, but behind that, Boccardi said, was a generous man, at home anywhere and curious about everything.

From Los Angeles Times • May 27, 2026

But we get used to new tech quickly and turn to it instinctively.

From Slate • May 6, 2026

Garrett had figured that out instinctively, because he had gone looking for a bucket.

From "Dry" by Neal Shusterman and Jarrod Shusterman

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