bitter in words or manner; nasty
The two famous intellectuals ceased to be friends after an acrimonious public debate on the nation's economic future.
acer acris (sharp, pungent, bitter, eager, fierce) (Latin)
Acrimony= Take Acr as Acroo (hindi) and Mon as man (hindi), so it means acroo man wala. acroo manner a+cri+monious. take cri as cry. stinging bitter words hurt and make people cry