General synonyms:
* Put out: This is a very common and direct synonym.
* Quench: This word suggests the act of putting something out by depriving it of fuel, often used in the context of fire or a flame.
* Douse: This word implies a sudden and forceful extinguishing, often with water.
* Suppress: This synonym emphasizes the act of stopping something from continuing.
* Snuff out: This word suggests a quick and complete extinguishing, often used metaphorically.
* Kill: This word is often used for fires or other sources of light, but can also be used metaphorically to describe ending something.
More specific synonyms:
* Suffocate: This word suggests that the fire or flame is suffocated by lack of oxygen.
* Smother: This synonym is similar to "suffocate" but implies a more gradual process of covering the fire with something.
* Dampen: This word implies a reduction in the intensity of a fire or flame.
* Abolish: This word implies a complete and permanent end to something.
* Annihilate: This word suggests the complete destruction of something.
The best synonym to use will depend on the specific situation.