Waspish is a related term of spleeny.
As adjectives the difference between waspish and spleeny
is that waspish is suggestive of the behaviour of a wasp while spleeny is full of spleen; melancholy.
waspish
English
Adjective
(
en adjective)
Suggestive of the behaviour of a wasp.
Spiteful or irascible.
Synonyms
* (spiteful or irascible) irascible, spiteful