What term implies the act of mocking or ridiculing?

The term that implies the act of mocking or ridiculing is "deride." This word is derived from the Latin "deridere," which means to laugh at or to ridicule. When someone derides another person or an idea, they are engaging in mockery or scorn, indicating a lack of respect or belief in the target of their derision. It conveys not just a playful teasing but often an intention to belittle or diminish the subject's credibility or worth.

In this context, "dainty" refers to something delicately beautiful or fragile, which has no connection to mockery. "Deluge" denotes an overwhelming quantity or a heavy downpour, typically associated with rain or floods, and does not relate to ridicule. "Defiance" signifies a bold resistance or challenging attitude, reflecting rebellion rather than mocking behavior. Therefore, "deride" is the most accurate choice for describing the action of mocking or ridiculing someone or something.