serenissimo - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

From sereno +‎ -issimo.

• IPA^(key): /se.reˈnis.si.mo/
• Rhymes: -issimo
• Hyphenation: se‧re‧nìs‧si‧mo

serenissimo (feminine serenissima, masculine plural serenissimi, feminine plural serenissime)

1. superlative degree of sereno (Used as part of certain titles)

• Serenissima