big - definition of big by the Free Online Dictionary, Thesaurus and Encyclopedia.
big (b g) adj. big·ger, big·gest 1. Of considerable size, number, quantity, magnitude, or extent; large. See Synonyms at large. 2. a. Of great force; strong: a big wind; in a big rage. b. Obsolete Of great strength. 3. a. Mature or grown-up: big enough to...