Breadcrumb Home > Dictionary > Index F forlorn hope: Meaning and Definition of Find definitions for: forlorn' hope' Pronunciation: [key] a perilous or desperate enterprise. a vain hope. a group of soldiers assigned to perform some unusually dangerous service. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. forlorn form ✖ Related Content Daily Word Quiz: nabob Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language