* Simple: I added antifreeze to the car's radiator.
* Descriptive: The mechanic poured bright green antifreeze into the engine to prevent it from freezing in the winter.
* Figurative: The rumors about the company's downfall were just antifreeze – meant to slow down the progress of the project.
* Specific: Ethylene glycol is a common type of antifreeze used in cars.
The best way to use "antifreeze" depends on the context and the message you want to convey.