ac·​cid·​ia | \ akˈsidēə\
plural accidias\ -​ēəz \ also accidiae\ -​ēˌē \

Definition of accidia

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 accidia

before the 12th century, in the meaning defined above

History and Etymology for accidia

Medieval Latin, alteration of Late Latin acedia

Keep scrolling for more

Learn More about accidia

Statistics for accidia

Look-up Popularity

Time Traveler for accidia

The first known use of accidia was before the 12th century

See more words from the same century

Comments on accidia

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


a small bunch of flowers

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
True or False

Test your knowledge - and maybe learn something along the way.

Add Diction

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!