-ülə̇s, -u̇l-, -əl- adjective
Etymology: Middle English issules, from issu, issue issue + -les, -lees -less — more at issue I
: being without issue:
a. : having no offspring
died issueless
b. : producing no result
an issueless effort
c. : not maintaining or marked by any stand that would arouse debate or controversy
an issueless piece of writing