-a figure of speech involving the comparison of one thing with another thing of different kinds, used to make a description more emphatic or vivid (e.g., I am as brave as a lion, He is as fast a cheetah).
a group of words formed by usage of having a meaning not deducible from those of the individual words (e.g., its raining cats and dogs, do you see the light ).
a figure of speech when a word or phrase is given to an object or action to that is not a literally applicable. (A black hole wanted to show its power by sucking up a star) synonyms: figure of speech, image, trope, analogy, comparison, symbol, word painting/picture