0 feeling doubt; uncertain what to think, expect etc -- nejistý, pochybovačný
1 able to be doubted; not clear -- pochybný; nejasný
2 uncertain but rather unlikely, unhopeful etc -- nejistý, neurčitý, pochybný
a doubtful improvement.
It is doubtful whether this will work
3 suspicious -- pochybný
Are they certain, or are they among the doubtfuls?
In particular, his statement that it showed priming effects from a rejected analysis is doubtful.
Whatever the explanation, it is doubtful that fertility decline can help explain the decline of the multigenerational family.
All similar experience shows that it is doubtful.
Laurence's youth and doubtful vocation offered the community an opportunity to challenge dynastic control.
Given the doubtful acceptability of (12b), it could be argued that, at least functionally, such pairs are not on the same level as- above.
If all were freely used, it is doubtful that any metrical structure would be perceptible at all.
Furthermore, it is doubtful whether the original intention is achieved at all.