Synonyms for End in disappointment:

• v.

  •fizzle (verb)
  • end,
  • peter out,
  • wane,
  • fail,
  • fold,
  • abort,
  • miscarry,
  • misfire,
  • die.

• Other synonyms:

  •Other relevant words:
  • disappointment,
  • fizzle,
  • come to nothing,
  • miss the mark,
  • be a fiasco,
  • be fiasco,
  • end in defeat,
  • missed the mark.

Antonyms for End in disappointment:

• v.

  • fizzle
    progress, grow, develop, begin, build, succeed, increase, achieve.