frustrate
1. [ verb ] hinder or prevent (the efforts, plans, or desires) of
Synonyms: thwart foil cross bilk scotch baffle spoil queer
Examples:

"What ultimately frustrated every challenger was Ruth's amazing September surge" "foil your opponent"

Related terms: prevent discourage disappoint short-circuit dash ruin double_cross frustrating frustration cross
2. [ verb ] treat cruelly
Synonyms: crucify tantalize bedevil rag dun torment
Examples:

"The children tormented the stuttering teacher"

Related terms: annoy harass tease persecute hamstring madden tormentor frustration harassment badgering
Similar spelling:   frustrated
  frustrative
  frustration
  frustrating
  freshwater
  frustum
  frosted
  fresh_water
  frigate
  frostbite
  freestyle
  freestone
  Free_State
  frowsty
  freshet
  Frausto
  fraught