(lat′ə·t′də·nâr′ē·ən.-ty′-) adjective
Broad, tolerant, or lax in religious principles.
—noun
1. One who is extremely tolerant or lax in religious principles; a freethinker; liberal.
2. One who departs from the strict standards of orthodoxy. [<L latitude, -inis LATITUDE + -ARIAN]
—lat′i·tu′di·nar′i·an·ism noun

(lat′ə·t′də·nâr′ē·ən. –ty′-) noun
One of a party of English churchmen of the 17th century who advocated the union of the dissenters with the established church.