Lilywhite is an adjective that means pure, innocent, or untarnished. Its antonyms are words that denote the opposite meaning or characteristics. The antonyms for lilywhite are words such as impure, tainted, corrupt, sullied, and stained. Other antonyms for lilywhite could be depraved, evil, immoral, wicked, or unethical. Using antonyms in writing can help to create contrast and communicate more effectively. For example, instead of describing a character as lilywhite, a writer could use an antonym like corrupt to reveal their true nature. Understanding antonyms can help us to use language more effectively and to expand our vocabulary.