This is the 2439th most frequent Portuguese word.
barreira
Barrier; obstacle; something that blocks or limits movement or progress.
Here, 'barreira' refers to a physical obstacle or barrier placed on the road.
A barreira na estrada impediu os carros de passarem.
The barrier on the road prevented the cars from passing.
In this sentence, 'barreira' metaphorically represents an obstacle created by differences in language.
Superar a barreira do idioma foi um grande desafio.
Overcoming the language barrier was a great challenge.
'Barreira' in this case symbolizes an emotional or relational obstacle between individuals.