Pronunciation: (dOO'bē-us, dyOO'-), [key]
1. doubtful; marked by or occasioning doubt: a dubious reply.
2. of doubtful quality or propriety; questionable: a dubious compliment; a dubious transaction.
3. of uncertain outcome: in dubious battle.
4. wavering or hesitating in opinion; inclined to doubt.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.