fabulously /ˈfæb.jʊ.lɪs.li/ adverb3 •In a fabulous manner. •In a fashionable or glamorous manner.That girl is fabulously beautiful. •In an apocryphal or mythical manner; in fables.Burying its head in the sand is fabulously attributed to the ostrich. formsmore fabulously · most fabulously