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What is a Metaphor?

A metaphor is a figure of speech that says that A is B:

You are my sunshine.
A     B

Note that a metaphor does not say that A is like B. With metaphor, A is B. So the speaker can use fewer words and force the listener to find the similarities, creating images in his head.

Look at some more examples of simple metaphor using nouns:

With metaphor, the concept is that one thing is described by another, usually more graphic, thing. Metaphor uses symbols. So metaphor can use verbs as well as nouns:

See more about metaphor.