/ Dictionary / Index D drop-off: Meaning and Definition of Find definitions for: drop-off Pronunciation: (drop'ôf", -of"), [key] — n. a vertical or very steep descent: The trail has a drop-off of several hundred feet. a decline; decrease: Sales have shown a considerable drop-off this year. a place where a person or thing can be left, received, accommodated, etc.: a new drop-off for outpatients. —adj. applied when a rented vehicle is left elsewhere than at the point of hire: to pay a drop-off charge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: drop-off (Thesaurus) dropline dropout Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language