| doubtles | Doubtless you have heard the news. |
| doubtles | He will doubtless be late. |
| doubtles | You are doubtless aware of his absence. |
| Doubtless | a. Free from fear or suspicion. [ Obs. ] [ 1913 Webster ] Pretty child, sleep doubtless and secure. Shak. [ 1913 Webster ] |
| Doubtless | adv. Undoubtedly; without doubt. [ 1913 Webster ] |
| Doubtlessly | adv. Unquestionably. Beau. & Fl. [ 1913 Webster ] |