Italian edit

Etymology edit

From atroce +‎ -issimo.

Adjective edit

atrocissimo (feminine atrocissima, masculine plural atrocissimi, feminine plural atrocissime)

  1. superlative degree of atroce (very atrocious, very horrible)

Latin edit

Adjective edit

atrōcissimō

  1. dative/ablative masculine/neuter singular of atrōcissimus