unholy

/AH0 N HH OW1 L IY0/
adjective
  1. 1

    Not holy; (by extension) evil, impure, or otherwise perverted.

    โ€œThe priest's unholy behaviour brought the church into disrepute.โ€

  2. 2

    Dreadful, terrible, or otherwise atrocious.

    โ€œWhat an unholy mess your room is in!โ€

Antonyms

Source: https://en.wiktionary.org/wiki/unholy