| There was incredulity in the question, but also there was a tinge of doubtfulness too. |
| Then I shook my head violently, trying to clear it of the doubtfulness that clouded it. |
| I would have expected anger, doubtfulness, maybe regret, but he seemed to do it with absolutely no emotion. |
| His replies were oracular neither in brevity nor in doubtfulness of meaning. |
| She was haunted by an uneasy sense of doubtfulness as to her social position. |
| The doubtfulness as to their adaptability to the representative form of government. |
