[ ob-last, -lahst; Russian aw-bluhst ]

noun,plural o·blasts, Russian o·bla·sti [aw-bluh-styee]. /ˈɔ blə styi/.
  1. (in Russia and the Soviet Union) an administrative division corresponding to an autonomous province.

  2. region; province.

Origin of oblast

1885–90; <Russian óblast',Old Russian oblastĭ, equivalent to ob- against, on + vlastĭ authority, power; see volost

Words Nearby oblast

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use oblast in a sentence

British Dictionary definitions for oblast


/ (ˈɒblɑːst) /

  1. an administrative division of the constituent republics of Russia

  2. an administrative and territorial division in some republics of the former Soviet Union

Origin of oblast

from Russian, from Old Slavonic, vlast government

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012