Dubious

[Rihanna]

Doubtful or not settled in opinion; being in doubt;
wavering or fluctuating; undetermined.

[Greta]

Hesitating or doubting.

[Michiko]

Unsure about outcome: Not sure about an outcome or conclusion.

Possibly [dishonest] or immoral: Likely to be dishonest, [untrustworthy], or morally [worrisome] in some way.

Of uncertain quality: of uncertain quality, intention, or appropriateness.

[Becky]

1. used as an adjective to describe a person, place or thing, as well as an idea or event. when something is so [bizarre] or unexplainable, the word dubious comes [to mind] first. after someone is stated [to be at] a loss for words, dubious can best describe what they just encountered

[Mark Zuckerberg]

Highly [questionable], [suspicious], and [doubtful]

[Little_Girl]

[high]; getting dubious; [a play] on the word [doobie]

[Julene]

thought not to be completely true or not able to be trusted: