IPA: /spləˈnɛtɪkli/
KK: /spləˈnɛtɪkli/
In a way that shows anger or bad temper; irritably.
He spoke splenetically, expressing his frustration with the situation.
Splenetically → It is formed from "splen" (from Latin "splen", meaning spleen) and "-ically" (meaning in a manner relating to). The word "splenetically" refers to something done in a manner relating to the spleen, often associated with melancholy or ill humor.
Think of the word 'spleen' which relates to a part of the body, and remember that 'splenetically' describes actions or feelings that are connected to that organ, often implying a gloomy or melancholic state.