fizzle

Definitions

To make a gentle, hissing sound.

To fail or end in a weak or disappointing way after a promising start.

Examples

The fireworks began to fizzle out before they could reach their full height.

Their ambitious plan to revolutionize the industry started to fizzle after the initial funding dried up.

Synonyms

fail falter peter out miscarry fizzle out collapse abort

Antonyms

succeed thrive flourish succeed brilliantly prosper bloom prevail