undecided

Synonyms: ambivalent betwixt and between blowing hot and cold borderline debatable dithering doubtful dubious equivocal hemming and hawing hesitant iffy indecisive indefinite in the middle irresolute moot of two minds on the fence open pendent pending running hot and cold tentative torn uncertain unclear uncommitted undetermined unfinished unsettled unsure up in the air vague waffling wavering wishy-washy

Antonyms: certain decided definite determined settled sure undoubted