adj. & n.
adj. 1 concerned with the affairs of this world; not spiritual or sacred. 2 (of education etc.) not concerned with religion or religious belief. 3 a not ecclesiastical or monastic. b (of clergy) not bound by a religious rule. 4 occurring once in an age or century. 5 lasting for or occurring over an indefinitely long time.
n. a secular priest. secular variation Astron. variation compensated over a long period of time. secularism n. secularist n. secularity n. secularize v.tr. (also -ise). secularization n. secularly adv.
[ ME (in senses 1-3 f. OF seculer) f. L saecularis f. saeculum generation, age ]