causeless
cause-less
adjective
Having no origin or reason; without an identifiable cause or motive.
"Her causeless anxiety was puzzling."
Thesaurus
Synonyms: reasonless, unmotivated, uncaused, unintended, fortuitous
cause-less
Having no origin or reason; without an identifiable cause or motive.
"Her causeless anxiety was puzzling."
Synonyms: reasonless, unmotivated, uncaused, unintended, fortuitous