indeterminately
in-de-ter-mi-nate-ly
adverb
In a way that is not precisely known, fixed, or defined; uncertainly.
"The future of the project was indeterminately uncertain."
Thesaurus
Synonyms: indeterminable, indeterminate, undeterminable, undetermined, open-ended, cost-plus, equivocal, ambiguous, inconclusive, racemose
Antonyms: determinate