nobilisimo is incorrectly written, and should be written as "noble" being its meaning:
Superlative of noble, polysemic term which we could distinguish three semantic fields: related genealogical descent in which noble we call the person of high rank, counts, Dukes, marquises, children dalgo, ( terminology more typical of other times where valued people more by his ancestry than by their deeds or qualities ). Secondly, related to the way of being of a person or his character. So call noble who is authentic, sincere, unable to deceive, reliable. And thirdly the related to science. Thus we speak of noble metals ( that will not rust or corrode ) or noble gases ( having a chemical reactivity low ).