Di·​o·​dia | \ dīˈōdēə\

Definition of Diodia

: a genus of mostly American weedy herbs of the family Rubiaceae with opposite leaves and small tubular solitary axillary flowers — see buttonweed sense 1

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!

History and Etymology for Diodia

New Latin, from Greek diodos thoroughfare (from dia- + hodos way) + New Latin -ia; from the frequent growth of these plants by the wayside

Keep scrolling for more

Learn More about Diodia

Statistics for Diodia

Look-up Popularity

Comments on Diodia

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


a servile follower or underling

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Word Winder's CrossWinder

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!