advocatus diaboli

ad·​vo·​ca·​tus di·​a·​bo·​li | \ ¦ad-və-¦kā-təs-ˌdī-ˈa-bə-ˌlī, ¦ad-və-¦kä-təs-dē-ˈä-bə-(ˌ)lē \

Definition of advocatus diaboli

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of advocatus diaboli

1824, in the meaning defined above

History and Etymology for advocatus diaboli

Medieval Latin

Keep scrolling for more

Learn More about advocatus diaboli

Time Traveler for advocatus diaboli

Time Traveler

The first known use of advocatus diaboli was in 1824

See more words from the same year

Statistics for advocatus diaboli

Cite this Entry

“Advocatus diaboli.” Dictionary, Merriam-Webster, Accessed 7 Aug. 2020.

Comments on advocatus diaboli

What made you want to look up advocatus diaboli? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!