Douteuse (en. Doubtful)
/dutøz/
Slang Meanings
A person with hidden intentions.
She's a bit of a dubious girl, be careful.
C'est une fille un peu douteuse, fais gaffe.
Discourse or plan that lacks credibility.
His start-up idea? Honestly, it's a dubious project.
Son idée de start-up ? Franchement, c'est un projet douteux.