¦ verb
1. prevent (a plan or action) from progressing, succeeding, or being fulfilled.
prevent (someone) from doing or achieving something.
2. cause (someone) to feel dissatisfied or unfulfilled.
¦ adjective archaic frustrated.
Derivatives
frustrater noun
frustrating adjective
frustratingly adverb
frustration noun
Origin
ME: from L. frustrat-, frustrare 'disappoint', from frustra 'in vain'.