Instinctive
Instinctive adjective - Done instantly and without conscious thought or decision.
Usage example: the instinctive reaction of a mother is to protect her children
Mindless and instinctive are semantically related. In some cases you can use "Mindless" instead an adjective "Instinctive".
Mindless
Mindless adjective - Not having or showing an ability to absorb ideas readily.
Instinctive and mindless are semantically related. Sometimes you can use "Instinctive" instead an adjective "Mindless".
Mutual synonyms
Both words in one sentence
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In canon, Tsukune's ghoul form was largely depicted as an instinctive, mindless Berserker.
Source: Adaptational Villainy - The Heartless of Kingdom Hearts fame are mostly mindless creatures with an instinctive drive to eat hearts, and are always evil in the storyline.
Source: Not Always Evil - The Necrons and Tyranids are motivated by mechanical logic and instinctive hunger respectively, while the Chaos Gods are single-minded in their dedication to mindless violence, scheming to enact change, sensation, and spreading disease.
Source: The Unfettered
Cite this Source
Mindless and Instinctive. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/instinctive/mindless
Instinctive & Mindless. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/instinctive/mindless>.
Mindless or Instinctive. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/instinctive/mindless.
Google Ngram Viewer shows how "instinctive" and "mindless" have occurred on timeline