feeling:
ill humor.
pleasant and friendly:
coolness,
aloofness,
coldness.
noun:
discourtesy,
disagreeableness,
vinegar,
testiness,
orneriness,
ungraciousness,
querulousness,
cantankerousness,
impoliteness,
unpleasantness,
unfriendliness,
fussiness,
incivility,
hostility,
rudeness,
boorishness,
surliness.