Meaning of doubtful

doubt•ful

Pronunciation: (dout'ful), [key]
— adj.
  1. of uncertain outcome or result.
  2. admitting of or causing doubt; uncertain; ambiguous.
  3. unsettled in opinion or belief; undecided; hesitating.
  4. of equivocal or questionable character: His tactics are highly doubtful.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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