sardonic

As an adjective sardonic

is scornfully mocking or cynical.

As a noun jeer is

a railing remark or reflection; a scoff; a taunt; a biting jest; a flout; a jibe; mockery.

As a verb jeer is

to utter sarcastic or mocking comments; to speak with mockery or derision; to use taunting language.

As adjectives the difference between insolent and sardonic

is that insolent is insulting in manner or words while sardonic is scornfully mocking or cynical.

As an adjective sardonic

is scornfully mocking or cynical.

As a verb indicted is

(indict).

As adjectives the difference between sardonic and sadistic

is that sardonic is scornfully mocking or cynical while sadistic is delighting in or feeling pleasure from the pain of others.

As a verb scorn

is to feel or display contempt or disdain for something or somebody; to despise.

As a noun scorn

is (uncountable) contempt or disdain.

As an adjective sardonic is

scornfully mocking or cynical.

As a noun contempt

is (uncountable) the state of contemning; the feeling or attitude of regarding someone or something as inferior, base, or worthless; scorn, disdain.

As an adjective sardonic is

scornfully mocking or cynical.

As adjectives the difference between sardonic and ridicule

is that sardonic is scornfully mocking or cynical while ridicule is (obsolete) ridiculous.

As a verb ridicule is

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

As a noun ridicule is

derision; mocking or humiliating words or behaviour.

As adjectives the difference between sardonic and ruthless

is that sardonic is scornfully mocking or cynical while ruthless is without pity or compassion; cruel, pitiless.

As adjectives the difference between sardonic and antagonistic

is that sardonic is scornfully mocking or cynical while antagonistic is contending or acting against; as, antagonistic forces.

As adjectives the difference between sardonic and trenchant

is that sardonic is scornfully mocking or cynical while trenchant is (obsolete) fitted to trench or cut; gutting; sharp.