- Noun. In Italian, Spanish, Portuguese, and Catalan; the form of an adjective formed by adding the suffixes ''-issimo'', ''-isimo'', ''-íssimo'', ''-érrimo'', ''-imo'', or ''-íssim'' to the adjective (with any final vowel dropped) to express a superlative that cannot be exceeded, having the sense “as ... as possible”.
- Noun. In Greek: one of the degrees of comparison in an adjective which stresses an exceptional property without making a direct comparison, its closest equivalent in English being ''a most important letter'', ''a very high mountain'' or ''absolutely pure water''. It is formed by adding the suffix -τατος (declined) to the adjective’s nominative, neuter singular.