[ verb ] hinder or prevent (the efforts, plans, or desires) of
"What ultimately frustrated every challenger was Ruth's amazing September surge" "foil your opponent"
Used in print(The Rev. John A. O'Brien, "Let's Take Birth Control...)
Moreover , man may_not supplant or frustrate the physical arrangements established by God , who through the law of rhythm has provided a natural method for the control of conception .
Believing that God is the Author of this law and of all laws_of_nature , Roman_Catholics believe that they are obliged to obey those laws , not frustrate or mock them .