Italian edit

Etymology edit

From sagace +‎ -issimo.

Adjective edit

sagacissimo (feminine sagacissima, masculine plural sagacissimi, feminine plural sagacissime)

  1. superlative degree of sagace (very shrewd, very sagacious)

Latin edit

Adjective edit

sagācissimō

  1. dative/ablative masculine/neuter singular of sagācissimus