figment
figment — noun
1. something such as a sight, sound, or idea that a person believes is real but has
something such as a sight, sound, or idea that a person believes is real but has been created entirely by their own mind
Theo's fear of a monster under his bed was just a figment of his imagination.
figment of [possessive] imagination — fixed phrase
Aiko thought she heard her name in the wind, but the sound was a figment.
The detective worried that the memory of a sixth victim might be a figment.
Hana knew the shadow she saw was only a figment created by her tired mind.
- illusion
suggests something that tricks the senses; figment emphasises mental invention
- hallucination
implies a sensory experience caused by illness or drugs; figment is not medical
- fantasy
broader — can be a deliberate daydream; figment is always mistaken for real
用法筆記
Almost always used in the fixed phrase 'figment of [someone's] imagination', which emphasises that something is entirely unreal.