obstinado, -a, adj. pp. of obstinarse, obstinate, obdurate.
obtener, to obtain, secure, bring about.
ocasión, f., occasion, opportunity, juncture.
ocaso, m., west.
occidente, m., west.
océano, m., ocean, sea.
ocio, m., leisure.
ocioso, -a, idle, unoccupied, bored.
octava, f., octave, eight-day celebration of a religious festival.
ocultar, to hide, conceal.