running hot and cold

ambivalent betwixt and between blowing hot and cold borderline debatable divided hemming and hawing hesitant iffy impartial in the middle indecisive irresolute neutral not definite not sure of two minds open tentative torn uncertain unclear uncommitted undetermined unsure up in the air waffling wavering wishy-washy

ambivalent doubtful hesitant uncertain unclear uncommitted undetermined unsure vague wavering

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

certain clear definite determined resolved secure settled sure

decided undoubted