Antonyms of adj interdenominational

1 sense of interdenominational

Sense 1
interchurch, interdenominational -- (occurring between or among or common to different churches or denominations; "interchurch aid"; "interdenominational cooperation between Methodists and Presbyterians")

INDIRECT (VIA nonsectarian) -> sectarian -- (belonging to or characteristic of a sect; "a sectarian mind"; "the negations of sectarian ideology"- Sidney Hook; "sectarian squabbles in psychology")

Similarity of adj interdenominational

1 sense of interdenominational

Sense 1
interchurch, interdenominational -- (occurring between or among or common to different churches or denominations; "interchurch aid"; "interdenominational cooperation between Methodists and Presbyterians")
       => nonsectarian (vs. sectarian), unsectarian -- (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)