frustrate

 

verb

Pronunciation: /frʌˈstreɪt, ˈfrʌs-/
[with object]
  • 1prevent (a plan or attempted action) from progressing, succeeding, or being fulfilled: the rescue attempt was frustrated by bad weather
  • prevent (someone) from doing or achieving something: in numerous policy areas, central government has been frustrated by local authorities
  • 2cause (someone) to feel upset or annoyed as a result of being unable to change or achieve something: (as adjective frustrating) it can be very frustrating to find that the size you want isn’t there

adjective

Pronunciation: /ˈfrʌstreɪt/
archaic
  • frustrated.

Derivatives

frustratingly

adverb
[as submodifier]: progress turned out to be frustratingly slow

Origin:

late Middle English: from Latin frustrat- 'disappointed', from the verb frustrare, from frustra 'in vain'