" nonentity "

1: a conception or image created by the imagination and having no objective reality;

  * e.g., " ... the arctic circle is a nonentity—you won't see it on the way to the north pole "

•  Synonyms : 

•  chimera,

•  conceit,

•  daydream,

•  delusion,

•  dream,

•  fancy,

•  fantasy,

•  figment,

•  hallucination,

•  illusion,

•  phantasm,

•  pipe dream,

•  unreality,

•  vision

•  Antonyms : 

•  big shot,

•  big wheel,

•  bigwig,

•  eminence,

•  figure,

•  kahuna,

•  kingpin,

•  magnate,

•  nabob,

•  personage,

•  somebody,

•  VIP

2: a person of no importance or influence;

  * e.g., " ... was so quiet he was almost a nonentity at the meeting "

•  Synonyms : 

•  cipher,

•  dwarf,

•  half-pint,

•  insect,

•  insignificancy,

•  lightweight,

•  morsel,

•  nobody,

•  nothing,

•  nullity,

•  number,

•  pip-squeak,

•  pygmy,

•  snippersnapper,

•  twerp,

•  whippersnapper,

•  zero,

•  zilch

•  Antonyms : 

• (N/A)