Big is an adjective. Words that modify adjectives are called adverbs. Really is an adverb that can modify big.
Words that describe a person:jazzyjealousjitteryjollyjovialjoyfuljubilantjumpyjustjuvenile
jovial
generous
zonal
· kiddy
brisk
youthful
kiddy
· jazzy
Words beginning with the letter s that describe people:sarcasticscatterbrainsselfishseriousshysillysinceresloppysmartsneakysnobbishsnottysophisticatedspookysqueamishstingysympathetic
Words beginning with the letter p that describe a person:patheticpessimisticpetiteperfectpettyphilanthropicpitifulpleasantplumppoisedpolitepompouspowerfulpragmaticpreciouspretentiousprettyprivateproductiveprofessionalproudpsychoticpurposefulpushy
· radiant