dementia

IPA/dɪˈmenʃə/
KK[dɪmˈɛnʃiə]IPA/dɪˈmenʃə/

dementia — 名詞

1. a serious brain illness in which memory, thinking, and everyday judgment gradual

1.名詞C1
釋義

失智症

記憶與思考逐漸退化的病症

a serious brain illness in which memory, thinking, and everyday judgment gradually become much worse

例句

The doctor told Tara's family that she had early dementia.

醫師告訴 Tara 的家人，她已有早期失智症。

collocation: early dementia

After several tests, Sofie learned that her father had dementia.

做了幾項檢查後，Sofie 得知她父親罹患了失智症。

pattern: have dementia

同義詞
  • cognitive decline

    broader and less exact; it can describe milder worsening, not only this diagnosis

  • memory disorder

    an everyday descriptive phrase, but less precise because dementia affects thinking and judgment as well

  • Alzheimer's disease

    a common cause of dementia, not the full umbrella term

文法句型

have dementia

develop dementia

live with dementia

people with dementia

用法筆記

Usually used in medical or care contexts, often with verbs such as 'have' or 'develop'. It names a diagnosed condition, not ordinary forgetfulness after a busy or tiring day.

常見錯誤

❌My grandfather has a dementia.
✅My grandfather has dementia.
💡this noun is usually uncountable when naming the condition.
❌I forgot my bag today because I have dementia.
✅I forgot my bag today.
💡'dementia' refers to a serious medical condition, not a normal one-time memory lapse.