Sir Arthur Ignatius Conan Doyle was born on 22 May 1859 and died on 7 July 1930. He was a Scottish physician and writer famous for his fictional stories about the detective Sherlock Holmes, which are generally considered milestones in the field of crime fiction. He is also known for writing the fictional adventures of Professor Challenger, and for popularizing the mystery of the Mary Celeste. He was a very productive writer whose works include fantasy and science fiction stories, plays, romances, poetry, non-fiction, and historical novels.
The Contest tells the story of the Emperor Nero and his adventures. The passage is the beginning of the book where Doyle narrates the start of the emperor journey by ship to Greece.
These are the words in Bold:
Singular, Approbation, Mercenary
These are the matching closest in meaning
Singular = strange
Approbation = praise
Mercenary = flattering