Wiktionary
spiffily
adv. (context colloquial English) In a spiffy manner; done with style.
Usage examples of "spiffily".
She was a curvy woman who took advantage of what nature or her body sculptor gave her with spiffily tailored suits in bold colors.
And thus it was that Wally Mazur appeared back in the Poseidon lounge, spiffily dressed in blazer, shirt, tie, black patent shoes and gray flannels .