phantasmagoria definitions WordNet (r) 3.0 (2005) n 1: a constantly ... F fantasmagorie (as PHANTASM + fanciful ending) Webster's 1913 Dictionary Phantasmagoria Phan*tas`ma*go"ri*a, n. [NL., from Gr ... 3. Fig.: A medley of figures; illusive images. ``This mental phantasmagoria.'' --Sir W. Scott. Soule's Dictionary of English Synonyms n ...