Big means large or of great size.
The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution.
The Big Five personality traits, also known as the five factor model (FFM), is a model based on common language descriptors of personality (lexical hypothesis).
Big O notation is a mathematical notation that describes the limiting behavior of a function when the argument tends towards a particular value or infinity.
In American folklore, Bigfoot (also known as Sasquatch) is a simian-like creature that is said to inhabit forests, mainly in the Pacific Northwest.
Paul Donald Wight II (born February 8, 1972) is an American professional wrestler and actor, better known by his ring name Big Show.
Sean Michael Leonard Anderson (born March 25, 1988), known professionally as Big Sean, is an American rapper from Detroit, Michigan.
The Big Ten Conference (B1G), formerly Western Conference and Big Nine Conference, is the oldest Division I collegiate athletic conference in the United States.
Big Brother is a reality game show franchise created by John de Mol, originally broadcast in the Netherlands and subsequently syndicated internationally.
Big data is a term for data sets that are so large or complex that traditional data processing application softwares are inadequate to deal with them.