frustration
US /frʌsˈtreɪ.ʃən/
UK /frʌsˈtreɪ.ʃən/

1.
frustration, déception
the feeling of being upset or annoyed, especially because of inability to change or achieve something
:
•
He slammed his fist on the table in frustration.
Il a claqué son poing sur la table de frustration.
•
The constant delays caused a lot of frustration among the passengers.
Les retards constants ont causé beaucoup de frustration parmi les passagers.
2.
frustration, entrave
the prevention of the progress, success, or fulfillment of something
:
•
The lack of funding led to the frustration of their research efforts.
Le manque de financement a conduit à la frustration de leurs efforts de recherche.
•
Despite the frustration of his plans, he remained optimistic.
Malgré la frustration de ses plans, il est resté optimiste.