nunquam
nunquam is a Latin form of numquam, meaning “never”. It is the adverb.
Found 241 times in the Latin texts on Socratos.
Where it is used
Vergil, Eclogues 3.49: Nunquam hodie effugies; veniam, quocumque vocari
Catullus, Carmina long_poems.62.50: nunquam se extollit, nunquam mitem educat uvam,
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.