This is the 5247th most frequent Swedish word.
dumme
"Dumme" in Swedish means "stupid" or "fool."
In this sentence, 'dumme' is used as an adjective describing 'hunden' (the dog) to mean 'stupid,' emphasizing a negative trait.
Den dumme hunden åt upp all maten.
The stupid dog ate all the food.
Here, 'dumt' (adjective form) describes 'misstag' (mistake) and characterizes the action negatively, not the person.
Han gjorde ett dumt misstag.
He made a stupid mistake.
In this case, 'dumma' modifies 'filmen' (the movie), implying humor or silliness rather than a strictly negative connotation.