amnesia
noun
am·ne·sia
am-ˈnē-zhə 
1
: loss of memory due usually to brain injury, shock, fatigue, repression, or illness
2
: a gap in one's memory
3
: the selective overlooking or ignoring of events or acts that are not favorable or useful to one's purpose or position
… Americans seemed to develop a willful forgetfulness about the nation's longest military conflict, an amnesia that lasted for nearly a decade.—
Alan Brinkley
Alan BrinkleyExamples of amnesia in a Sentence
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Why is amnesia such a favorite theme?
—Literary Hub, 24 Oct. 2025
Another study found that creatine can help support those with traumatic brain injuries, showing improvements in amnesia, headaches and fatigue.
—Angelica Stabile, FOXNews.com, 11 Oct. 2025
Kwan’s ex-fiancée, Molly (Dianne Doan), who developed amnesia after a car accident several years prior, strolls into Grey Sloan and the two attempt a relationship again … until Kwan learns that Molly’s using him in hopes of getting her memories back.
—Maggie Fremont, Vulture, 9 Oct. 2025
Franklin agreed to the mutual amnesia, though not before hurling a few thunderbolts.
—Stacy Schiff, The Atlantic, 8 Oct. 2025
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Literary Hub, 24 Oct. 2025
Another study found that creatine can help support those with traumatic brain injuries, showing improvements in amnesia, headaches and fatigue.
—Angelica Stabile, FOXNews.com, 11 Oct. 2025
Kwan’s ex-fiancée, Molly (Dianne Doan), who developed amnesia after a car accident several years prior, strolls into Grey Sloan and the two attempt a relationship again … until Kwan learns that Molly’s using him in hopes of getting her memories back.
—Maggie Fremont, Vulture, 9 Oct. 2025
Franklin agreed to the mutual amnesia, though not before hurling a few thunderbolts.
—Stacy Schiff, The Atlantic, 8 Oct. 2025
See All Example Sentences for amnesia
Cite this Entry
“Amnesia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amnesia. Accessed 31 Oct. 2025.
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Medical Definition
amnesia
noun
am·ne·sia
am-ˈnē-zhə
1
: loss of memory sometimes including the memory of personal identity due to brain injury, shock, fatigue, repression, or illness or sometimes induced by anesthesia
a period of amnesia after the wreck
2
: a gap in one's memory
an amnesia concerning her high-school years
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