somnambulist

/sɒmˈnæmbjəlɪst/ (bre, ipa) · /sɑːmˈnæmbjəlɪst/ (ame, ipa)

somnambulist — noun

  • somnambulistsingular
  • somnambulistsplural

1. someone who moves about or performs everyday actions while asleep, with no consc

1.名詞C1
釋義

someone who moves about or performs everyday actions while asleep, with no conscious awareness or memory of having done so

例句

Aunt Rosa found little Theo standing in the kitchen at midnight — the somnambulist had prepared himself a bowl of cereal without waking up.

somnambulist + daily activities performed while asleep

The documentary showed how a young somnambulist once walked two kilometres to a bus stop and waited there, still fast asleep.

同義詞
  • sleepwalker

    the ordinary, everyday word; 'somnambulist' is the medical/formal equivalent

  • noctambulist

    an even rarer formal synonym, almost never used today

用法筆記

This noun is uncommon in everyday conversation; most English speakers would use 'sleepwalker' instead. The formal term appears mainly in medical or literary contexts.

常見錯誤

❌My brother is a somnambulist and he sleepwalks every night.
✅My brother is a sleepwalker
💡he walks around every night.' — 'somnambulist' is very formal; use 'sleepwalker' in casual speech.