geographical name
\ i-ˈrän How to pronounce Iran (audio) , -ˈran; ī-ˈran\
variants: or primarily before 1935 Persia \ ˈpər-​zhə How to pronounce Persia (audio) , especially British -​shə \

Definition of Iran

country in southwestern Asia bordering in the north on the Caspian Sea and in the south on the Persian Gulf and the Gulf of Oman; an Islamic republic since 1979, formerly an empire; capital Tehran area 635,932 square miles (1,647,064 square kilometers), population 75,149,669

Other Words from Iran

Irani \ i-​ˈrä-​nē How to pronounce Irani (audio) , -​ˈra-​ \ adjective or noun

Keep scrolling for more

More from Merriam-Webster on Iran

Rhyming Dictionary: Words that rhyme with Iran

Spanish Central: Translation of Iran

Britannica English: Translation of Iran for Arabic Speakers

Comments on Iran

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


a period when something is suspended

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
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!