/ Dictionary / Index F forby: Meaning and Definition of Find definitions for: for•by Pronunciation: (fôr-bī'), [key] — prep., adv. Chiefly Scot. close by; near. besides. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Forbush decrease force Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language