superhero

As a noun superhero

is any kind of fantasy/science fiction crime-fighting character, often with supernatural powers or equipment, in popular children's and fantasy literature.

As an adjective incredible is

incredible.

As nouns the difference between superhero and shirt

is that superhero is any kind of fantasy/science fiction crime-fighting character, often with supernatural powers or equipment, in popular children's and fantasy literature while shirt is an article of clothing that is worn on the upper part of the body, and often has sleeves, either long or short, that cover the arms.

As a verb shirt is

to cover or clothe with a shirt, or as if with a shirt.

As nouns the difference between marvel and superhero

is that marvel is that which causes wonder; a prodigy; a miracle while superhero is any kind of fantasy/science fiction crime-fighting character, often with supernatural powers or equipment, in popular children's and fantasy literature.

As a verb marvel

is to become filled with wonderment or admiration; to be amazed at something.

As nouns the difference between spiderman and superhero

is that spiderman is steeplejack while superhero is any kind of fantasy/science fiction crime-fighting character, often with supernatural powers or equipment, in popular children's and fantasy literature.

As a noun superhero

is any kind of fantasy/science fiction crime-fighting character, often with supernatural powers or equipment, in popular children's and fantasy literature.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a noun superhero

is any kind of fantasy/science fiction crime-fighting character, often with supernatural powers or equipment, in popular children's and fantasy literature.

As an adjective undefined is

lacking a definition or value.