This is the 8543rd most frequent Catalan word.
dèria
An obsessive passion, craze, or fixation.
The word "dèria" here implies an enthusiasm or obsession for a particular hobby or activity.
Té la dèria de col·leccionar sobres de sucre.
He has a craze for collecting sugar packets.
In this context, "dèria" refers to a temporary interest or caprice that is not necessarily long-lasting.
Aquella idea que té és només una dèria passatgera.
That idea he has is just a passing craze.
Here, "dèria" conveys a passionate fixation or strong dedication to maintaining order and organization.