/ Dictionary / Index A aerobic: Meaning and Definition of Find definitions for: aer•o•bic Pronunciation: (â-rō'bik), [key] — adj. (of an organism or tissue) requiring the presence of air or free oxygen for life. pertaining to or caused by the presence of oxygen. of or utilizing the principles of aerobics: aerobic exercises; aerobic dances. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aerobic (Thesaurus) Aerobee aerobic dancing Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language