Unsectarian
Part of speech: adjective
Definition: Not sectarian
Nonsectarian
Part of speech: adjective
Definition: Of or pertaining to nonsectarianism.
Part of speech: noun
Definition: One who is not a sectarian.
Unsectarian as an adjective is not sectarian while Nonsectarian as an adjective is of or pertaining to nonsectarianism.
Part of speech: adjective
Definition: Not sectarian
Part of speech: adjective
Definition: Of or pertaining to nonsectarianism.
Part of speech: noun
Definition: One who is not a sectarian.
We hope you now know whether to use Unsectarian or Nonsectarian in your sentence.