Here's the breakdown:
* Simile: A simile uses "like" or "as" to compare two things explicitly. It highlights the similarity between them. For example:
* "Her eyes were like stars."
* "He was as strong as an ox."
* Metaphor: A metaphor *doesn't* use "like" or "as". It directly equates one thing to another, making a comparison without explicitly stating it. For example:
* "Her eyes were stars."
* "He was an ox of a man."
Why "like" and "as" are generally avoided in metaphors:
* They create a weaker, more indirect comparison.
* They can make the metaphor sound less poetic and less powerful.
When "like" and "as" can be used in a metaphor:
* Unusual comparisons: In some cases, using "like" or "as" can emphasize the unexpectedness or strangeness of the comparison, making it more impactful. For example:
* "The city was like a giant, sleeping beast."
* Emphasis on similarity: If you want to highlight the specific similarity between two things, using "like" or "as" can be effective. For example:
* "The sunset was as vibrant as a stained glass window."
In conclusion:
While you can technically use "like" or "as" in a metaphor, it's generally best to avoid them for a stronger, more concise comparison. However, there are instances where they can be used effectively for specific artistic purposes.