Noah Webster's Dictionary (n.) That which has only an apparent existence; an apparition; a specter; a phantasm; a sprite; an airy spirit; an ideal image.

Multi-Version Concordance Phantom (1 Occurrence) Psalms 39:6 "Surely every man walks like a shadow. Surely they busy themselves in vain. He heaps up, and doesn't know who shall gather. (See NAS NIV)