What type of figurative language is exemplified by the phrase "You're a firework"?

The phrase "You're a firework" is an example of a metaphor. A metaphor directly compares one thing to another, suggesting that one is the other in some way without using "like" or "as," which would indicate a simile. In this case, comparing a person to a firework implies that they possess qualities associated with fireworks, such as being vibrant, full of potential, and capable of creating a significant impact. This comparison evokes imagery and meaning without being literal, which is characteristic of metaphors.

While similes use "like" or "as" to illustrate similarities, and hyperboles involve exaggerated statements that aren't meant to be taken literally, metaphor creates a more direct and impactful connection. Personification, on the other hand, gives human traits to non-human entities. Therefore, the strength of the comparison in "You're a firework" aligns it firmly as a metaphor.