absolute superlative

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• 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.