feeling, causing, doubt
questionable, unclear
Cases of word usage
1) an agreement to risk money etc on an event of which the result is doubtful (bet)
2) clear; not doubtful or uncertain (definite)
3) (of a word) having a double or doubtful meaning (equivocal)
4) an old story handed down from the past, especially one of doubtful truth (legend)
5) a state of mind or spirit; one of the groups of forms that a verb may take to show whether things are regarded as certain, possible, doubtful etc (mood)
6) (especially of a result or future) doubtful (problematic)
7) an attempt to avoid an honest answer by using a secondary or doubtful meaning of a word or phrase; to argue about small points or differences (quibble)
