Antonyms of adj splenetic

1 of 2 senses of splenetic

Sense 2
bristly, prickly, splenetic, waspish -- (very irritable; "bristly exchanges between the White House and the press"; "he became prickly and spiteful"; "witty and waspish about his colleagues")

INDIRECT (VIA ill-natured) -> good-natured -- (having an easygoing and cheerful disposition; "too good-natured to resent a little criticism"; "the good-natured policeman on our block"; "the sounds of good-natured play")

Similarity of adj splenetic

2 senses of splenetic

Sense 1
splenic, splenetic, lienal -- (of or relating to the spleen)

Sense 2
bristly, prickly, splenetic, waspish -- (very irritable; "bristly exchanges between the White House and the press"; "he became prickly and spiteful"; "witty and waspish about his colleagues")
       => ill-natured (vs. good-natured) -- (having an irritable and unpleasant disposition)