questionable
questionable — adjective
1. if something is questionable, there are reasons to doubt whether it is true, acc
if something is questionable, there are reasons to doubt whether it is true, accurate, or of good quality
Shirin questioned the company's profit figures because the data seemed questionable.
collocation: questionable data / questionable figures
The judge threw out the evidence after the defence showed it was of questionable origin.
collocation: questionable origin
The study's results are questionable since the researchers used very few participants.
The second-hand car had a questionable maintenance history, so Femi decided not to buy it.
Something about how the blood test was carried out seemed questionable, so Camila asked for a second opinion.
常見錯誤
2. if a person's actions or behaviour are questionable, people have good reason to
if a person's actions or behaviour are questionable, people have good reason to suspect the person is being dishonest or doing something that is not morally right
Heather's questionable business practices included charging customers for services they never received.
collocation: questionable business practices
The politician's questionable behaviour during the election led to an official investigation.
Inês backed out of the deal because she felt the company's methods were questionable.
The charity was investigated for questionable financial dealings with overseas partners.
Jessica left her job after her manager asked her to do something questionable.
- dubious
more formal; suggests stronger suspicion of dishonesty than questionable
- shady
informal; suggests dishonest or possibly illegal activity
- suspicious
can describe both people and actions; wider in use than questionable
- ethical
morally correct and honest
- above board
informal phrase meaning honest and open in business dealings
用法筆記
Subject is usually a person's actions, behaviour, practices, or methods — not the person themself. Saying 'a questionable person' is unnatural in English.