This is the 9347th most frequent Portuguese word.
circunstância
A condition or fact affecting a situation.
Here, 'circunstância' refers to the particular conditions or facts influencing a situation.
A decisão dele varia dependendo da circunstância.
His decision varies depending on the circumstance.
In this sentence, 'circunstância' is used to emphasize conditions under which an action is unacceptable.
Sob nenhuma circunstância devemos ignorar segurança.
Under no circumstance should we ignore safety.
Here, 'circunstância' discusses various potential scenarios or situations one might encounter.