This is the 1687th most frequent Portuguese word.
brincadeira
"Brincadeira" means "joke, play, or fun activity."
Here, 'brincadeira' refers to a joke or playful act, emphasizing amusement and fun.
Essa foi uma brincadeira divertida.
That was a fun joke.
In this sentence, 'brincadeira' signifies a humorous or non-serious statement, contrasted by the assertion of seriousness.
Não foi uma brincadeira, falei sério.
It wasn't a joke, I was serious.
Here, 'brincadeira' is associated with an activity involving play or games, particularly in a context suitable for children.