Portuguese

Adjective

instintivo m ‎(feminine singular instintiva, masculine plural instintivos, feminine plural instintivas, comparable)

1. instinctive (related to or prompted by instinct)
2. instinctive (driven by impulse, spontaneous and without thinking)

Spanish

Etymology

instinto +‎ -ivo

Adjective

instintivo m ‎(feminine singular instintiva, masculine plural instintivos, feminine plural instintivas)

1. instinctive