Definition of: dubious

(d′bē·əs, dy′-) adjective
1. Unsettled in judgment or opinion; in a state of doubt; doubtful.
2. Being a subject or matter of doubt; causing doubt.
3. Of uncertain result; not yet settled; problematic.
4. Of questionable propriety; open to objections, especially of a moral kind, or to suspicion; questionable.
5. Being the occasion of doubt; difficult of explanation; equivocal. See synonyms under EQUIVOCAL, PRECARIOUS. [<L dubiosus <dubium doubt]
—du′bi·ous·ly adverb
—du′bi·ous·ness noun