at issue (adjective) moot: doubtful, arguable
Sinonime: be loath, be reluctant, be unwilling, boggle,
demur,
doubt,
falter,
fret, gag, have qualms,
hesitate,
question,
shy,
stick, stickle,
stumble, think twice about,
vacillate,
waver,
worryAntonime: not care