Istanbul

geographical name
Is·​tan·​bul | \ ˌi-stən-ˈbül, -ˌstan-, -ˌstän-, -ˈbu̇l, ˈi-stən-ˌbül, -ˌbu̇l, or with m for n\
variants: or formerly Constantinople \ ˌkän-​ˌstan-​tə-​ˈnō-​pəl \ or ancient Byzantium \ bə-​ˈzan-​tē-​əm , -​ˈzan-​sh(ē-​)əm \

Definition of Istanbul 

city in northwestern Turkey partly in Europe and partly in Asia on the Bosporus and the Sea of Marmara; capital of Turkey before its independence in 1923 and earlier capital of the Ottoman Empire population 12,500,000

Learn More about Istanbul

Dictionary Entries near Istanbul

Issus

Issyk Kul

-ist

Istanbul

isth

is that a fact?

is that clear?

Statistics for Istanbul

Look-up Popularity

More from Merriam-Webster on Istanbul

Rhyming Dictionary: Words that rhyme with Istanbul

Comments on Istanbul

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

WORD OF THE DAY

involving abstract or general statements

Get Word of the Day daily email!

Test Your Vocabulary

Liar, Liar Quiz

  • alt-5761dbe2ba986
  • Someone who pretends to be sick in order to avoid work is a:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ

Love words? Need even more definitions?

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