This is the 1333rd most frequent Catalan word.
advertir
To warn or to advise.
The verb 'adverteixo' is used to issue a caution or warning.
Adverteixo que el pont està trencat.
I warn that the bridge is broken.
Here, the verb 'advertir' is used to express noticing or realizing something.
Vaig advertir que podria ploure més tard.
I noticed that it might rain later.
In this case, 'advertir' is employed to advise about a potential outcome to guide behavior.