This is the 4293rd most frequent Catalan word.
frustro
"Frustro" is not a Catalan word.
Here, 'frustro' is used as an adjective to describe the feeling of frustration.
Malgrat els seus esforços, ell se sentia frustro per no haver aconseguit el premi.
Despite his efforts, he felt frustrated for not winning the prize.
In this sentence, 'frustro' is used as a verb to express the action of becoming frustrated.
Vaig intentar completar el projecte, però em vaig frustro amb els obstacles que van aparèixer.
I attempted to complete the project, but I became frustrated by the obstacles that arose.
Here, 'frustro' is used as a verb referring to the action of causing frustration or failure.