exploited (Adjective) — Developed or used to greatest advantage.
exploited (Adjective) — Of persons; taken advantage of. ex. "after going out of his way to help his friend get the job he felt not appreciated but exploited"
exploited (Verb) — Use or manipulate to one's advantage. ex. "He exploited the new taxation system"
exploited (Verb) — Draw from; make good use of. ex. "we must exploit the resources we are given wisely"
exploited (Verb) — Work excessively hard. ex. "he is exploiting the students"