/ Dictionary / Index I Irkutsk: Meaning and Definition of Find definitions for: Ir•kutsk Pronunciation: (ēr-ktsk'), [key] — n. a city in the S Russian Federation in Asia, W of Lake Baikal. 550,000. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. irksome Irma Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language