secular (Adjective) — Of or relating to the doctrine that rejects religion and religious considerations.
secular (Adjective) — Characteristic of or devoted to the temporal world as opposed to the spiritual world. ex. "secular goods and advancement"
secular (Adjective) — Not concerned with or devoted to religion. ex. "secular drama"
secular (Adjective) — Of or relating to clergy not bound by monastic vows. ex. "the secular clergy"
secular (Adjective) — Characteristic of those who are not members of the clergy. ex. "set his collar in secular rather than clerical position"
secular (Adjective) — Having only slow changes, or changing only over a long or indefinite period of time; happening only once in a long time, esp. once a century.
secular (Noun) — Someone who is not a clergyman or a professional person.