fizzle
/ˈfɪzəl/
noun
Meaning
A spluttering or hissing sound.
Failure of a nuclear bomb to meet its expected yield during testing.
An abortive effort; a flop or dud.
A state of agitation or worry.
verb
Meaning
To sputter or hiss.
"The soda fizzled for several minutes after it was poured."
To decay or die off to nothing; to burn out; to end less successfully than previously hoped.
"The entire project fizzled after the founder quit."