non-committal
adjective
[ nɒnkəˈmɪt(ə)l ]
• not expressing or revealing commitment to a definite opinion or course of action.
• "her tone was non-committal, and her face gave nothing away"
Similar:
evasive,
equivocal,
temporizing,
guarded,
circumspect,
reserved,
cautious,
wary,
careful,
prudent,
discreet,
unrevealing,
uncommunicative,
politic,
tactful,
diplomatic,
vague,
cagey,
prevaricate,
give nothing away,
straddle an issue,
dodge the question/issue,
sidestep the issue,
hedge,
fence,
pussyfoot,
beat about the bush,
equivocate,
temporize,
shilly-shally,
vacillate,
waver,
hum and haw,
duck the question,
sit on the fence,