amicissimum

amicissimum is a Latin form of amicus, meaning “friend; (adj.) friendly”. It is the genitive plural masculine superlative adjective or genitive plural neuter superlative adjective or accusative singular masculine superlative adjective or nominative singular neuter superlative adjective.

Found 40 times in the Latin texts on Socratos.

Where it is used

Caesar, De Bello Gallico 1.42.6: … itibus detractis eo legionarios milites legionis X., cui quam maxime confidebat, imponere, ut praesidium quam amicissimum, si quid opus facto esset, haberet.

Seneca the Younger, De Clementia 1.9.11: … re fide tibi vitam dederim an tu debeas." Post hoc detulit ultro consulatum questus, quod non auderet petere. Amicissimum fidelissimumque habuit, heres solus illi fuit. Nullis amplius insidiis ab ullo petitus est.

All forms of amicus (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.