dubious

Từ điển American Heritage Dictionary 4th

du·bi·ous (do͞oʹbē-əs, dyo͞oʹ-)adj.
1. Fraught with uncertainty or doubt; undecided.
2. Arousing doubt; doubtful:
a dubious distinction.
3. Of questionable character:
dubious profits. [From Latin dubius. See dwo- in Indo-European Roots.] duʹbi·ous·ly adv.duʹbi·ous·ness n.

• Từ đồng nghĩa / Synonyms:
  doubtful, dubitable, in question(p)