IPA: /ˈʃoʊ.ɪ.li/
KK: /ˈʃoʊɪli/
In a way that is intended to attract attention or impress others, often by being flashy or extravagant.
She dressed showily for the party, wearing a bright sequined dress.
Showily → It is formed from "show" (from Old English *sceawian*, meaning to look at or to see) and the suffix "-ily" (meaning in a manner of). The word "showily" means in a manner that is intended to be seen or displayed, often with ostentation.
Think of the word 'show' which means to display something, and remember that 'showily' describes doing something in a way that is meant to be seen.