IPA: /ˈaɪərfəli/
KK: /ˈaɪərfəlɪ/
In a way that shows anger or strong annoyance.
She spoke irefully when she heard the unfair decision.
Irefully → It is formed from "ire" (from Latin "ira", meaning anger) and "-fully" (meaning in a manner full of). The word "irefully" means in a manner full of anger or wrath.
Think of 'ire' as representing anger, and remember that 'irefully' describes acting in a way that is full of anger.