Meaning & use
somnambulist
A person who walks around or performs actions while still asleep; a sleepwalker.
See it in a sentence
The somnambulist wandered into the kitchen and opened the refrigerator without ever waking up.
Doctors warned the somnambulist's family to lock the doors before he went to bed.
A note on using this word
Somnambulist is the formal, medical-sounding term for a sleepwalker and appears mainly in clinical or literary writing.
Words with a similar meaning
sleepwalker
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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