What is a comparison made directly using the word is?

A comparison made directly using the Word "is" is known as a metaphor. In a metaphor, one thing is described as another, highlighting similarities between the two without using "like" or "as," which would indicate a simile. For example, saying "Time is a thief" suggests that time steals moments from our lives, creating a vivid image of its fleeting nature. This type of figurative language enhances understanding and adds depth to descriptions.