noctambulate

First attested in 1955; back-formation from noctambulation (1721) on the basis of -ate (verb-forming suffix); compare French noctambuler (1866).

• IPA^(key): /nɒkˈtæm.bjə.leɪt/

• Audio (Southern England):

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noctambulate (third-person singular simple present noctambulates, present participle noctambulating, simple past and past participle noctambulated)

1. (intransitive) To sleepwalk.

   Synonym: sleepwalk

2. (intransitive) To walk about at night.