pervigilium

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noun

Insomnia.

Scrabble 19

Meanings

nounpervigilium (uncountable)
  1. obsoleterareuncountablemedicineInsomnia.

    A Pervigilium is sometimes a primary Distemper, without any other evident Sickness causing it; yet so that some bear up under it, without any considerable Disorder […]

    1733, John Allen, Synopsis medicinæ: or, a summary view of the whole practice of physick
    1 more example

    Pervigilium, or want of sleep, is a most distressing and alarming symptom in fever, and appears to be the first link of that chain which includes delirium, coma, and effusion[…]there is nothing more indicative of the severity of the disease than the inability to sleep.

    1843, W. L. MacGregor, Practical Observations on the Principal Diseases Affecting the Health of the European and Native Soldiers in the North-western Provinces of India, page 44

Origin

  1. Latinpervigilium
  2. Englishpervigilium

Borrowed from Latin pervigilium.

Full word history & related roots →
Cite this entry
APA

pervigilium. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pervigilium

MLA

“pervigilium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pervigilium. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pervigilium,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pervigilium.

Source: pervigilium on Wiktionary, CC BY-SA 4.0.