Bierce was considered a master of pure English by his contemporaries, and virtually everything that came from his pen was notable for its judicious wording and economy of style. He wrote in a variety of literary genres.
His short stories are held among the best of the 19th century, providing a popular following based on his roots. He wrote realistically of the terrible things he had seen in the war in such stories as "An Occurrence at Owl Creek Bridge", "The Boarded Window", "Killed at Resaca", and "Chickamauga".
In addition to his ghost and war stories, he also published several volumes of poetry. His Fantastic Fables anticipated the ironic style of grotesquerie that became a more common genre in the 20th century.
One of Bierce's most famous works is the much-quoted Devil's Dictionary, originally an occasional newspaper item, first published in book form in 1906 as The Cynic's Word Book. It consists of satirical definitions of English words which lampoon cant and political double-talk.
Under the entry "leonine", meaning a single line of poetry with an internal rhyming scheme, he included an apocryphal couplet written by the fictitious "Bella Peeler Silcox" (i.e. Ella Wheeler Wilcox) in which an internal rhyme is achieved in both lines only by mispronouncing the rhyming words:
The electric light invades the dunnest deep of Hades. Cries Pluto, 'twixt his snores: "O tempora! O mores!
Bierce's twelve-volume Collected Works were published in 1909, the seventh volume of which consists solely of The Devil's Dictionary, the title Bierce himself preferred to The Cynic's Word Book.