acrimony

As an adjective acrimonious

is angry, acid, and sharp in delivering argumentative replies: bitter; mean-spirited; sharp in language or tone.

As a noun acrimony is

a sharp and bitter hatred.

Acrimony is a related term of crabbedness.

As nouns the difference between acrimony and crabbedness

is that acrimony is a sharp and bitter hatred while crabbedness is the state or quality of being crabbed.

As a proper noun harmony

is or harmony can be (fandom slang) the ship of characters.

As a noun acrimony is

a sharp and bitter hatred.

As nouns the difference between acrimony and verisimilitude

is that acrimony is a sharp and bitter hatred while verisimilitude is the property of seeming true, of resembling reality; resemblance to reality, realism.

As nouns the difference between acrimony and pugnacity

is that acrimony is a sharp and bitter hatred while pugnacity is the act or characteristic of being aggressive or combative.

As nouns the difference between acrimony and insult

is that acrimony is a sharp and bitter hatred while insult is an action or form of speech deliberately intended to be rude.

As a verb insult is

(obsolete|intransitive) to behave in an obnoxious and superior manner (over, against).

As nouns the difference between acrimony and ridicule

is that acrimony is a sharp and bitter hatred while ridicule is derision; mocking or humiliating words or behaviour.

As a verb ridicule is

to criticize or disapprove of someone or something through scornful jocularity; to make fun of.

As an adjective ridicule is

(obsolete) ridiculous.

As a noun acrimony

is a sharp and bitter hatred.

As a verb castigate is

to punish severely; to criticize severely; to reprimand severely.

As a noun acrimony

is a sharp and bitter hatred.

As a verb loathe is

to hate, detest, revile.

As a noun acrimony

is a sharp and bitter hatred.

As an adjective acerbate is

(rare) embittered; having a sour disposition or nature.

As a verb acerbate is

to exasperate; to irritate.