fizzle

Universal Words verb [V] when sth, especially sth that is burning, fizzles, it makes a sound like a long 's' SYNHISS: Fireworks fizzled and exploded in the night sky. PHRASALVERBS fizzle out (informal) to gradually become less successful and end in a disappointing way: The threatened revolt just fizzled out. * Her parents are hoping that the relationship will fizzle out.