unreverent
/(ˌ)ʌnˈrɛv(ə)rənt/ /(ˌ)ʌnˈrɛv(ə)r(ə)nt/Now chiefly US (somewhat rare )
adjective
1Of a person, the heart, etc.
- Apparently not recorded in the 18th cent..
2Of actions, speech, behaviour, etc.
Origin
Late Middle English; earliest use found in The Wycliffite Bible (early version). From un- + reverent, after classical Latin irreverent-, irreverēns (also inreverent-, inreverēns) irreverent.