(comparative more doubtsome, superlative most doubtsome)
- 1870, David Steele, Notes On The Apocalypse:
- But such is the liberal doctrine of the boasted Roman Catholic Church, and such the sandy foundation of that "general and doubtsome faith" which the witnesses renounce.
- 1894, Arthur Morrison, Martin Hewitt, Investigator:
- Well, I got along to me room, sick an' sorry enough, an' doubtsome whether I might get in wid no key.