acrimony

acrimony    [Ak-ruh-moh-nee]

noun. bitterness or ill feeling

"There has been extreme acrimony building between the Miami Heat and Wade over the last week. Dwyane Wade will now sign with the Bulls."

"Instead of acrimony, Obama and Trudeau both resolved that there was a real opportunity for our countries to increase our partnership on climate change.”

"The case accelerated acrimony and distrust between the US government and Silicon Valley, particularly over digital security."