spontaneous, impulsive, instinctive, automatic, mechanical mean acting or activated without deliberation. spontaneous implies lack of prompting and connotes naturalness.

Not expected or planned (Definition of instinctive from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

adjective of, relating to, or of the nature of instinct. prompted by or resulting from or as if from instinct; natural; unlearned. an instinctive will to survive. Synonyms: unpremeditated, intuitive, …

An instinctive feeling, idea, or action is one that you have or do without thinking or reasoning. It's an absolutely instinctive reaction–if a child falls you pick it up.

These adjectives refer to things that arise from a natural tendency or impulse: an instinctive desire to help others; an instinctual respect for authority; an intuitive feeling that something is wrong; …

Arising from impulse or natural inclination; done without thought or conscious effort; spontaneous. An instinctive sympathy for the downtrodden.

instinctive (comparative more instinctive, superlative most instinctive) Related to or prompted by instinct. Driven by impulse, spontaneous and without thinking.

The adjective instinctive describes something you do without thinking about it. If you have an instinctive desire to help animals, you might automatically stop your car to pick up every stray …

Definition of instinctive adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

INSTINCTIVE meaning: relating to or based on instinct based on feelings or desires that do not come from thinking or learning