1. Automatic or involuntary physical responses to stimuli that occur without conscious thought or deliberation
Pulling your hand away from a hot stove is a reflexive action.
Afastar a mão de um fogão quente é uma ação reflexiva.
2. In grammar, actions performed by a subject on itself, typically expressed with reflexive verbs
The sentence 'He dressed himself' contains a reflexive action.
A frase 'Ele se vestiu' contém uma ação reflexiva.
3. Spontaneous reactions that are instinctive rather than planned or reasoned
Her reflexive action was to apologize when she heard the complaint.
Sua ação reflexiva foi se desculpar quando ouviu a reclamação.