- At the White House, a butler heard the president speculating on what he'd do if Japanese forces advanced as far as Chicago.p. 49.9
- At the halfway point, he was an eighth of a mile ahead, and observers began speculating on when the boy in the black shorts would collapse.p. 19.3
There are no more uses of "speculate" in Unbroken - adapted for young adults.
Typical Usage (best examples)