Synæsthetic Metaphor Generator Generate a synæsthetic or surreal metaphor or simile either completely at random or by restricting one or more of the word classes below to a specific sensory category. Read more about this app. Adjective random sight color hearing taste smell touch temperature pain shape emotion Adverb random sight color hearing taste smell touch temperature pain shape emotion Noun random sight color hearing taste smell touch temperature pain shape emotion Verb random sight color hearing taste smell touch temperature pain shape emotion generate