- He stopped abruptly— at the door of his room, for, where the tollbooth had been just the night before, there was now nothing at all.p. 254.7
- As the car rushed along, the trees grew thicker and taller and leafier until, just as they'd hidden the sky completely, the forest abruptly ended and the road bent itself around a broad promontory.p. 102.3
There are no more uses of "abrupt" in The Phantom Tollbooth.
Typical Usage (best examples)