When "slake" means to satisfy a thirst or desire:
* Increase: This is the most general antonym, meaning to make something larger or more intense.
* Arouse: This emphasizes the opposite action of stimulating desire or thirst rather than satisfying it.
* Intensify: Similar to "arouse", this implies making a desire or thirst stronger.
When "slake" means to quench a fire or reduce intensity:
* Ignite: This means to start a fire or make something more intense.
* Fuel: This implies adding something to make a fire or passion stronger.
* Exacerbate: This emphasizes making something worse or more intense.
When "slake" means to slacken or loosen:
* Tighten: This is the direct opposite, meaning to make something more secure or firm.
* Strengthen: This emphasizes increasing the intensity or firmness of something.
* Reinforce: This implies making something stronger or more resistant to change.
To determine the most appropriate antonym, you need to consider the specific context in which "slake" is used.