Definition of noctambulous in US English:

noctambulous

adjective

  • = noctambulistic.

Origin

Mid 18th century; earliest use found in Nathan Bailey (d. 1742), lexicographer and schoolmaster. From post-classical Latin noctambulus sleepwalker (1649 in a work title; from classical Latin noct- + -ambulus (in e.g. fūnambulus)) + -ous.

Pronunciation

noctambulous

/nɒkˈtambjʊləs/