Definition of unritual in English:
unritual
adjective (ˌ)ʌnˈrɪtʃ(ʊ)l(ˌ)ʌnˈrɪtʃʊəl(ˌ)ʌnˈrɪtjʊəl
Not used in or connected with rites; not ritual.
Origin
Late 18th century; earliest use found in Anna Seward (1742–1809), poet and correspondent. From un- + ritual.