noun

amnesiac

noun

A person who has lost part or all of their memory.

"The novel follows an amnesiac trying to piece together his past."

How to Use Amnesiac

Learner’s notes

In plain EnglishSomeone experiencing amnesia — a person who has lost their memory.

Easily confused with

amnesia →

amnesiacs plural

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The novel follows an _____ trying to piece together his past.

Formed from "amnesia" plus the adjective-forming suffix "-ac", on the same pattern as "maniac".

zodiac cardiac Pontiac brainiac insomniac egomaniac pyromaniac aphrodisiac kleptomaniac megalomaniac nymphomaniac hypochondriac