Final answer:
A simile is a figure of speech that compares two unlike things using 'like' or 'as'.
Step-by-step explanation:
The figure of speech that compares two unlike things using 'like' or 'as' is called a simile. A simile is a form of figurative language that helps to create vivid imagery and make comparisons more relatable and understandable. For example, the phrase 'he runs like a cheetah' is a simile because it compares the person's running speed to that of a cheetah using the word 'like'.
Learn more about Similes