Words similar to questionable

Example sentences for: questionable

How can you use “questionable” in a sentence? Here are some example sentences to help you improve your vocabulary:

Sandra Clark, a researcher at the Urban Institute, notes that parents may be embarrassed to admit they leave their kids in questionable settings.
However, 12 of the 30 experimental subjects had isolated distal deep venous thrombosis (which is of questionable clinical significance) and only 10% had a pulmonary embolism.
The Walters accusation was "reported" by Kitty Kelley (whose reputation for veracity is questionable at best) and People magazine.
McGwire's "538-footer" isn't the only questionable long ball of the season.
Apparently, other members of the clown's family have also received questionable payments.