Italian edit

Etymology edit

From serio +‎ -issimo.

Pronunciation edit

  • IPA(key): /seˈris.si.mo/
  • Rhymes: -issimo
  • Hyphenation: se‧rìs‧si‧mo

Adjective edit

serissimo (feminine serissima, masculine plural serissimi, feminine plural serissime)

  1. superlative degree of serio (very serious)