/ Dictionary / Index R rock bottom: Meaning and Definition of Find definitions for: rock' bot'tom Pronunciation: [key] the very lowest level: He went bankrupt and touched rock bottom. rock-bot•tom Pronunciation: (rok'bot'um), [key] — adj. at the lowest possible limit or level; extremely low: rock-bottom prices. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rock bolt rock-bound Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language