Definitions for "Frustrate"
Vain; ineffectual; useless; unprofitable; null; voil; nugatory; of no effect.
To make null; to nullifly; to render invalid or of no effect; as, to frustrate a conveyance or deed.
Keywords:  ruth, amazing, hinder, surge, september
hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent"
treat cruelly; "The children tormented the stuttering teacher"
To bring to nothing; to prevent from attaining a purpose; to disappoint; to defeat; to baffle; as, to frustrate a plan, design, or attempt; to frustrate the will or purpose.