This is the 12210th most frequent Turkish word.
güçlüdür
"Is strong."
The word 'güçlüdür' is used here as a descriptor to denote the building's resistance and sturdiness.
Bu bina çok güçlüdür ve depremlere dayanabilir.
This building is very strong and can withstand earthquakes.
Here, 'güçlüdür' indicates the conspicuous presence of the characteristic of loudness in the voice.
Onun ses tonu oldukça güçlüdür, duyulması kolaydır.
Their tone of voice is quite strong, making it easy to hear.
In this context, 'güçlüdür' refers metaphorically to strength, alluding to their capabilities or effectiveness.