nighten
Verb
Meaning
nighten (third-person singular simple present nightens, present participle nightening, simple past and past participle nightened)
(intransitive) To become night or grow dark, as night.
Verb
nighten (third-person singular simple present nightens, present participle nightening, simple past and past participle nightened)
(intransitive) To become night or grow dark, as night.