This is the 894th most frequent Portuguese word.
unidas
"Unidas" means "united" in English.
Here, 'unidas' describes the participle of nations being united in purpose or agreement.
As nações unidas trabalharam para promover a paz.
The united nations worked to promote peace.
'Unidas' expresses the state of being together, signifying solidarity or physical proximity.
Elas caminharam unidas pela estrada.
They walked united along the road.
In this case, 'unidas' depicts the physical state of holding hands together.