noun:
hesitancy,
resistance,
dilatoriness,
indifference,
ungraciousness,
aversion,
leisureliness,
uncertainty,
reticence,
surliness,
antipathy,
indisposition,
slowness,
unwillingness,
lukewarmness,
disinclination,
reservation,
sluggishness,
vacillation,
equivocation,
hesitation,
disagreeableness,
halfheartedness,
reluctance,
hesitance,
sullenness,
disinterestedness,
delay,
doubt,
apathy.