pertaining to or of the nature of a phantasm; unreal; illusory; spectral: phantasmal creatures of nightmare.
apparent, chimeric, chimerical, deceitful, delusive, delusory, fake, fallacious, fanciful, fantastic, fictional, fictitious, fictive, hallucinatory, ideal, illusory, imaginary, misleading, mistaken, ostensible
- phantom circuit
Also phan·tas·mic, phan·tas·mi·cal, phan·tas·mat·ic [fan-taz-mat-ik] /ˌfæn tæzˈmæt ɪk/, phan·tas·mat·i·cal.
Origin of phantasmal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for phantasmic
The phantasmic groupings of the young brain are very like those we see in the skies, and equally the sport of the wind.The Ordeal of Richard Feverel, Complete|George Meredith
Online Etymology Dictionary, © 2010 Douglas Harper