This is the 575th most frequent Romanian word.
capitală
"Capitală" means "capital city" in English.
In this sentence, "capitală" is used as a noun to denote the main city or city where the government of a country is located.
Capitala României este București.
The capital of Romania is Bucharest.
Here, "capitală" is used as an adjective to express something of utmost importance or significance.
Aceasta decizie este de importanță capitală.
This decision is of crucial importance.
In this context, "capitală" emphasizes moral values as being of utmost importance.