apretado, -a, adj. pp. of apretar, crowded, dense, difficult.
aprisionar, to confine, imprison.
aprobar, to approve, show one's pleasure.
apropósito de, about, with regard to.
aprovechar, to take advantage of, profit by, avail oneself of, seize..
aproximación, f., approach, proximity.
aproximarse, to approach, draw near; ir aproximando, to approach.
apurar, to exhaust, clean up, drain; to try, test.
apuro, m., difficulty, straits.