Main entry: bust, flop, fizzle
Definition: a complete failure
Usage: the play was a dismal flop
Main entry: hushing, hiss, hissing, sibilation, fizzle
Definition: a fricative sound (especially as an expression of disapproval)
Usage: the performers could not be heard over the hissing of the audience
Main entry: taper off, peter out, fizzle, fizzle out
Definition: end weakly
Usage: The music just petered out--there was no proper ending