phantom

adjective

  1. 1

    something apparently sensed but having no physical reality

    seemed to hear faint phantom bells

    the amputee's illusion of a phantom limb

noun

  1. 1

    something existing in perception only

    a ghostly apparition at midnight

  2. 2

    a ghostly appearing figure

    we were unprepared for the apparition that confronted us

Synonyms

Also useful for “phantom”:Unscrambler