This is the 711th most frequent French word.
mauvais
Bad.
The word "mauvais" is used as an adjective here, qualifying "film" to express a lack of quality.
Ce film était vraiment mauvais.
This movie was really bad.
In this sentence, "mauvais" describes "pressentiment" (feeling) to convey a negative premonition.
J'ai un mauvais pressentiment à propos de cette entreprise.
I have a bad feeling about this business.
Here, "mauvais" modifies "choix" (choice) to indicate an unfortunate or incorrect decision.