Definition of phantasist in English:

phantasist

noun

rare
  • A person who is given to fantasizing; = "fantast".

Origin

Mid 19th century; earliest use found in William Alger (1822–1905). From phantasy, variant of fantasy + -ist. Compare French fantaisiste person who only follows his own imagination.

Pronunciation

phantasist

/ˈfantəsɪst/