necessarii
necessarii is a Latin form of necessarius, meaning “necessary; (noun) relative, close friend”. It is the nominative plural masculine noun or vocative plural masculine noun or genitive singular masculine noun or nominative plural masculine adjective.
Found 49 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.11.3: … stari, liberi [eorum] in servitutem abduci, oppida expugnari non debuerint. Eodem tempore quo Haedui Ambarri, necessarii et consanguinei Haeduorum, Caesarem certiorem faciunt sese depopulatis agris non facile ab oppidis vim hostiu …
All forms of necessarius (declension table)
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.