indeterminate (adj) – not entirely known or determined; imprecise or open-ended; having no definite or definable value
BREAKDOWN: IN- (not) + DE- (down from) + TERMIN- (end or border) + -ATE (to make or do)
— determinate means definitive, distinct, or conclusive
This word is built on the root TERM-, which means end, limit, or border.
Common TERM- words include determine, determined, exterminate, term, and terminology.
More esoteric TERM- words include determinative, deterministic, predetermine, and terminus.