Any number of the form math.bmath.i where math.b is a real number, math.i is the square root of −1, and math.b is not zero. Seealso complex number.

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• Imaginary (sociology), a concept in sociology
• Imaginary number, a concept in mathematics
• Imaginary time, a concept in physics
• Imagination, a mental faculty
• Object of the mind, an object of the imagination
• Imaginary enemy
• Imaginary friend
• Imaginary Records, a record label

The Arts

• "Imaginary" (song), a song by Evanescence
• The Imaginary (Sartre), a philosophical work by Jean-Paul Sartre

See also

• The Imaginary (disambiguation)
• Imagination (disambiguation)
• Imagine