giovanissima
Giovanissima is the feminine singular form of the Italian adjective giovanissimo, meaning “very young” or “extremely young.” It is used to describe feminine nouns and can function attributively (before the noun) or predicatively (after the verb essere). The word stems from giovine, itself derived from Latin iuvenis, with the superlative suffix -issimo that adds emphasis.
Forms in full are: masculine singular giovanissimo; feminine singular giovanissima; masculine plural giovanissimi; feminine plural giovanissime.
In broader use, giovanissima can describe non-person subjects when the emphasis is on youthfulness, for example,
Comparison with related terms: giovane is the base adjective meaning “young,” while giovanile describes youthfulness in