“+ adjective
Etymology: Middle English, from un- (I) + determined, past participle of determinen to determine — more at determine
1. : not yet definitely or authoritatively decided, settled, or fixed
undetermined boundary
: not yet positively identified or ascertained
undetermined species
2. : not bounded by definite limits or restrictions : not fixed or precise in signification or use : vague
3. : not determinate in form or character
4. : undecided in purpose
• un·determinedness “+ noun