How is a "metaphor" defined?

A metaphor is defined as a figure of speech that makes a direct comparison between two unlike things without using "like" or "as." This means that one thing is described in terms of another, allowing for a deeper understanding or new perspective. For example, saying "Time is a thief" suggests that time steals moments from our lives, creating an image that conveys the swift passage of time.

This definition highlights the essence of metaphors as more than just comparisons; they provide insights and evoke emotions by connecting different concepts in a direct and imaginative way. Unlike similes, which specifically use "like" or "as" for the comparison, metaphors imply the relationship more subtly and powerfully.