/ Dictionary / Index L landfast: Meaning and Definition of Find definitions for: land•fast Pronunciation: (land'fast", -fäst"), [key] — adj. attached to or grounded on shore or land: landfast ice. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. landfall landfill Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language