■ 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 ~d.
Derivatives
~r noun
frustrating adjective
frustratingly adverb
frustration noun
Origin
ME: from L. frustrat- , frustrare 'disappoint', from frustra 'in vain'.