dithering

ambivalent doubtful hesitant uncertain unclear uncommitted undetermined unsure vague wavering

betwixt and between blowing hot and cold borderline debatable dubious equivocal hemming and hawing iffy in the middle indecisive indefinite irresolute moot of two minds on the fence open pendent pending running hot and cold tentative torn unfinished unsettled up in the air waffling wishy-washy

certain clear definite determined resolved secure settled sure

decided undoubted