Pronunciation: (kwes'chu-nu-bul), [key]
1. of doubtful propriety, honesty, morality, respectability, etc.: questionable activities; in questionable taste.
2. open to question or dispute; doubtful or uncertain: a statement of questionable accuracy.
3. open to question as to being of the nature or value suggested: a questionable privilege.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.