Felicísimos

Felicísimos is the masculine plural form of felicísimo, the superlative of feliz. It means extremely happy or very happy. The feminine plural is felicísimas, and the singular forms are felicísimo (masculine) and felicísima (feminine). The accent on the í marks the stressed syllable: fe-li-CÍ-si-mo, fe-li-CÍ-si-mos.

Etymology and form: felicísimo is built from feliz plus the superlative suffix -ísimo, a derivation that comes from Latin and is used in Spanish to intensify adjectives. The plural form felicísimos preserves the same stress pattern and the accent remains on the í.

Usage: Felicísimos is used to emphasize happiness or a high degree of a quality, typically referring to people or experiences. Examples include: Fue un día felicísimo. They were left felicísimos with the gift: Quedaron felicísimos con el regalo. The feminine plural form, felicísimas, would be used with feminine nouns or when describing a group of women: Las vacaciones fueron felicísimas. Felicísimo and felicísimos can also function predicatively after a verb: “El resultado fue felicísimo.”

register and nuance: Using felicísimo/felicísimos adds emphasis and can convey a tone that is more literary or expressive than merely “feliz.” It is widely understood in standard Spanish and appears in both formal writing and expressive speech, though it is less common in everyday casual discourse than simpler synonyms such as “muy feliz.”