Definitions of big:

• adjective:   marked by intense physical force

  Example: "A big wind"

• adjective:   significant

  Example: "Graduation was a big day in his life"

• adjective:   loud and firm

  Example: "A big voice"

• adjective:   feeling self-importance

  Example: "Too big for his britches"

• adjective:   of very great significance

  Example: "Deciding to drop the atom bomb was a very big decision"

• adjective:   conspicuous in position or importance

  Example: "A big figure in the movement"

• adjective:   given or giving freely

  Example: "Was a big tipper"

• adjective:   generous and understanding and tolerant

  Example: "A heart big enough to hold no grudges"

• adjective:   above average in size or number or quantity or magnitude or extent

  Example: "Set out for the big city"

• adjective:   (of animals) fully developed
• adjective:   very intense

  Example: "In a big rage"

• adjective:   exhibiting self-importance

  Example: "Big talk"

• adverb:   in a major way

  Example: "The play failed big at the box office"

• adverb:   on a grand scale

  Example: "Think big"

• adverb:   extremely well

  Example: "His performance went over big"

• adverb:   in a boastful manner

  Example: "He talked big all evening"

• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #12681)