imaginary being, n.
a creature of the imagination; a person that exists only in legends or myths or fiction
<noun.person>
imaginary being imaginary creature
semantic pointers
hypernym
hyponym
hypothetical creature
mythical being
giant
hobbit
mermaid
merman
Cadmus
monster
witch
character, fictional character, fictitious character
psychopomp
sylph
unicorn
instance hyponym