superhero

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.

As nouns the difference between boy and superhero

is that boy is 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 nouns the difference between vigilante and superhero

is that vigilante is a person who considers it their own responsibility to uphold the law in their neighborhood and often does so summarily and without legal jurisdiction 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.