dubious

Adjective

• not convinced
  • they admitted the force of my argument but remained dubious
    

• 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 dubitable whether the friend was as influential as she thought- Karen Horney
    

• 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
    

Related words

• Synonyms: 
  doubtful , dubitable , in question(p)