only 1 use
(click/touch triangles for details)
- It was very tiring and slow work, yet I did visibly gain ground; and as we drew near the Cape of the Woods, though I saw I must infallibly miss that point, I had still made some hundred yards of easting.Chapter 24 — The Cruise of the Coracle (45% in)
There are no more uses of "infallible" in Treasure Island.
Typical Usage (best examples)