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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

Derived 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.

Instinctively, I grab my phone, open Uber Eats and order food from my go-to neighborhood restaurant.

From Salon • Mar. 3, 2026

Instinctively, Islam says, they kept away from the edges.

From BBC • Feb. 25, 2026

Instinctively, albeit foolishly, I leaped into his path.

From Los Angeles Times • Mar. 16, 2024

Instinctively, therefore, it will extend its legs underneath it to land on all fours.

From Scientific American • Jul. 24, 2023

Instinctively, I stroke the soft fur of the invisible thing.

From "Invisible Inkling" by Emily Jenkins

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