from The Century Dictionary and Cyclopedia
- Without incident; uneventful.
Sorry, no etymologies found.
I got home sometime after 6pm after a fairly incidentless bus ride.
My journey was incidentless; but the moment I came into Brighthelmstone I was met by Mrs. Thrale, who had most eagerly been waiting for me a long while, and therefore I dismounted, and walked home with her.