/ak"reuh moh'nee/ , n.
sharpness, harshness, or bitterness of nature, speech, disposition, etc.: The speaker attacked him with great acrimony.
[ 1535-45; acrimonia, equiv. to acri- (s. of acer ) sharp, sour + -monia -MONY ]
Syn . bitterness, animosity, spitefulness, asperity, spite.
Ant . goodwill, civility, kindness, politeness.