/ Dictionary / Index B bistate: Meaning and Definition of Find definitions for: bi•state Pronunciation: (bī'stāt"), [key] — adj. of, pertaining to, or involving two states, esp. of the U.S.: a bistate water commission. of, pertaining to, or involving the area where two states adjoin: Three million people work in the bistate area. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bistable bister Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language