IPA: /ˈprɪsɪli/
KK: /ˈprɪsɪli/
In a way that is overly concerned with being proper or neat, often to the point of being fussy or affected.
She arranged the flowers prissily, making sure every petal was perfectly in place.
Prissily is derived from "prissy" (a colloquial term meaning overly proper or affected) and the suffix "-ly" (meaning in a manner of). The word "prissily" means in an overly proper or affected manner.
Think of someone acting in an overly proper way ('prissy') and remember that 'prissily' describes doing so in a manner.