A sudden or unusual sight:
Something that seems to appear to the sight but has no physical existence; apparition; vision; specter
An illusory mental image.
A feeling or cause of gloom or unhappiness:
A ghost; apparition
Find another word for fantasm. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for fantasm, like: apparition, phantom, phantasm, phantasma, shadow, specter and spectre.