1. making a weak hissing or sputtering sound
Usage: present participle of fizz
2. failing weakly or ending in disappointment
Usage: present participle of fizzle

1. a weak hissing sound
2. a weak failure or disappointing end

Examples

• The soda was fizzling as I opened the bottle.
• The firework was fizzling instead of exploding properly.
• Their relationship was fizzling out after months of arguments.
• The campaign was fizzling due to lack of funding.
• We could hear the fizzling of the wet campfire.
• The project ended with a disappointing fizzling rather than success.
• The fizzling sound came from the broken electrical wire.