Added 9 October 2026 instinctive /ɪnˈstɪŋktɪv/ adjective Categories: Describing WordsUncommon Words adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about instinctive at Wordnik → Where our words come from → Related to or prompted by instinct. Driven by impulse, spontaneous and without thinking. When approached by a stranger, Jared clenched his fists in an instinctive manner. Related Words: instinctualnaturalspontaneousself-generatedintuitiveknee-jerkinnateinborninherentautomaticreflexivevisceral Back to today's word