Definitions
A comparison of two things using the words like or as
Simile
This homework is going to take 100 years to finish
Hyperbole
A comparison of two things that does not use the words like or as
Metaphor
The rain sounded like boulders falling on the roof
Simile
An over-exaggeration for emphasis
Hyperbole
The crescent moon is a great white hammock
Metaphor
Giving human qualities to a non human object or animal
Personification
The grass tickled my ankles as I walked the trail
Personification