Definitions

1. noun

A product of the imagination, especially a vague or fanciful idea.

“Her latest book explored themes of love, loss, and fantastical creatures, weaving a rich tapestry of fantasm.”

2. noun

A vivid mental image or hallucination, especially of a person or thing.

“After the accident, he experienced a series of disturbing fantasm, making it difficult to distinguish reality from fantasy.”