IPA: /hɪˈstrɪənɪkli/
KK: /hɪsˈtrɪənɪkli/
In a way that is overly dramatic or theatrical, often to attract attention or express strong emotions.
She spoke histrionically, making her performance seem exaggerated and theatrical.
Histrionically → It is formed from "histrionic" (from Latin *histrionicus*, meaning pertaining to an actor) and the suffix "-ly" (meaning in a manner). The word "histrionically" means in a manner that is characteristic of actors or theatrical performance, often implying exaggerated or dramatic behavior.
Think of 'histrionic' relating to actors and remember that 'histrionically' means behaving in a dramatic or exaggerated way, just like an actor on stage.