This is the 2646th most frequent Catalan word.
segur
"Segur" means "sure" or "safe" in English.
In this sentence, 'segur' is used as an adjective meaning 'sure', indicating confidence or certainty.
Estic segur que vindràs.
I am sure that you will come.
Here, 'segur' is used as an adjective meaning 'safe', describing the security of the location.
Aquest és un lloc segur.
This is a safe place.
In this case, 'segura' (feminine form of 'segur') is used as an adverb, modifying the verb to describe the manner of driving as safe.