somnambulate

1 of 2

verb

som·​nam·​bu·​late säm-ˈnam-byə-ˌlāt 

somnambulated; somnambulating

intransitive verb

: to walk when asleep

somnambulation

(ˌ)säm-ˌnam-byə-ˈlā-shən 

noun

somnambulation

2 of 2

noun

som·​nam·​bu·​la·​tion

: the action of walking in sleep

Word History

Etymology

Noun

New Latin somnambulation-, somnambulatio, from somnambul- + Latin -ation-, -atio -ation

First Known Use

Verb

1833, in the meaning defined above

Medical Definition

somnambulate

intransitive verb

som·​nam·​bu·​late -ˌlāt 

somnambulated; somnambulating

: to walk while asleep

somnambulation

-ˌnam-byə-ˈlā-shən 

noun