Look up: doubtful

1. doubtful
   [adj] - unsettled in mind or opinion 2. [adj] - open to doubt or suspicion 3. [adj] - fraught with uncertainty or doubt
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. doubtful
   in artillery and naval gunfire support,a term used by an observer or spotter to indicate that he was unable to determine the difference in range between the target and a round or rounds Category: Defense
   Found on http://www.mijnwoordenboek.nl/definition
   
   
3. Doubtful
   Doubt'ful adjective 1. Not settled in opinion; undetermined; wavering; hesitating in belief; also used, metaphorically, of the body when its action is affected by such a state of mind; as, we are doubtful of a fact, or of the propriety of a...
   Found on http://www.encyclo.co.uk/webster/D/114
   
   
4. doubtful
   1. Not settled in opinion; undetermined; wavering; hesitating in belief; also used, metaphorically, of the body when its action is affected by such a state of mind; as, we are doubtful of a fact, or of the propriety of a measure. 'Methinks I should know you, and know this man; yet I am doubtful.' (S...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
5. doubtful
   dubious adjective fraught with uncertainty or doubt; `they were doubtful that the cord would hold`; `it was doubtful whether she would be admitted`; `dubious about agreeing to go`
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
6. doubtful
   dubious adjective open to doubt or suspicion; `the candidate`s doubtful past`; `he has a dubious record indeed`; `what one found uncertain the other found dubious or downright false`; `it was more than du...
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
7. doubtful
   tentative adjective unsettled in mind or opinion; `drew a few tentative conclusions`
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
8. Doubtful
   • (a.) Fearful; apprehensive; suspicious. • (a.) Not settled in opinion; undetermined; wavering; hesitating in belief; also used, metaphorically, of the body when its action is affected by such a state of mind; as, we are doubtful of a fact, or of the propriety of a measure. • (a.) Ch...
   Found on http://thinkexist.com/dictionary/meaning
   
   
9. Doubtful
   Cranes, frequently the largest of shipyard cranes, that are so individually well-known as to have acquired names and notable histories. ...
   Found on http://en.wikipedia.org/wiki/Doubtful