illusion vs allusion definition
â¢ While allusion is used to refer to something or someone else, illusion is used to refer to a false impression. â¢ Specifically, allusion means to refer to something similar or to something or somebody in the past. â¢ Illusion is a word that refers to a deception or a false impression. Images Courtesy: Motion illusion in star arrangement by Fiestoforo (CC BY 3.0)