This is the 2335th most frequent Catalan word.
insostenible
Not sustainable.
Here, 'insostenible' describes something that cannot be maintained under the current conditions, often referring to limits or capacity.
El creixement de la població urbana està arribant a nivells insostenibles.
The growth of the urban population is reaching unsustainable levels.
In this use, 'insostenible' characterizes a method or plan as unable to function effectively over time.
Aquest model de negoci resulta insostenible a llarg termini.
This business model turns out to be unsustainable in the long term.
This instance of 'insostenible' conveys a practice that exhausts resources or damages the environment irreparably.