- In a dubious manner.
- 1993, William J. Leonard, The Letter Carrier, page 218:
- They had perpetuated a dubiously holy union of Church and State that had refused for centuries to hear the cry of the poor and the oppressed.
- Accompanied by doubt, or anxious uncertainty.
- 1997, Kelly Joyce Neff, Dear Companion: The Inner Life of Martha Jefferson, page 167:
- She looked dubiously up the steep path to the vastness of dark wood on either side. “How far is it up to the top?”