Wordnet 3.0
ADJECTIVE (1)
1. 
 not restricted to one sect or school or party; 
- Example: "religious training in a nonsectarian atmosphere"- Example: "nonsectarian colleges"- Example: "a wide and unsectarian interest in religion"- Bertrand Russell[syn: nonsectarian, unsectarian]
The Collaborative International Dictionary of English v.0.48:
Unsectarian \Unsectarian\
   See sectarian.
WordNet (r) 3.0 (2006):
unsectarian
    adj 1: not restricted to one sect or school or party; "religious
           training in a nonsectarian atmosphere"; "nonsectarian
           colleges"; "a wide and unsectarian interest in religion"-
           Bertrand Russell [syn: nonsectarian, unsectarian]
           [ant: sectarian]