1. vain; ineffectual; useless; nugatory
1. hinder or prevent (the efforts, plans, or desires) of
- What ultimately frustrated every challenger was Ruth's amazing September surge
2. treat cruelly
Sentences with frustrate as a verb:
- It frustrates me to do all this work and then lose it all.
- My clumsy fingers frustrate my typing efforts.
- This test frustrates me because if I fail, it'll destroy my grade.