Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: of or relating to the Achaemenids
1717, in the meaning defined above
Latin Achaemenius (adjective derivative of Achaemenēs) + -an entry 2 — more at achaemenid
Keep scrolling for more
Resources for Achaemenian
Time Traveler for Achaemenian
See more words from the same year
More from Merriam-Webster on Achaemenian
See words that rhyme with Achaemenian
Comments on Achaemenian
What made you want to look up Achaemenian? Please tell us where you read or heard it (including the quote, if possible).
to deposit or conceal in a hiding place
Get Word of the Day daily email!
Name that Food Quiz
Test your knowledge - and maybe learn something along the way.
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
How the '&' got its name
Impress your friends, annoy your relatives.
Words from the week of 9/14/2018
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Test your knowledge of food and food words.
A quiz in common time.
A game of winding words.