(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)
wątpliwy, problematyczny, niepewny
synonim: doubtful
synonim: dubious
synonim: dubitable