Here is another fun word from The Complete Casebook of Herlock Sholmes. “The Case of the Airman’s Medal” is solved and Sholmes and Jotson are returning to their rooms in Shaker Street. As Sholmes reiterates how he tracked down the missing medal, Jotson cries, “Marvelous!” Sholmes’ reply includes this word.

Illimitable – without limits or an end

Usage: “Not at all!” said Sholmes as we re-entered his room. “To a man of my illimitable deductive powers such work is child’s play!”