superlativeness

adjective

1. superior to or excelling all other or others; of the highest kind, quality, degree, etc.; supreme
2. excessive or exaggerated
3. Gram. designating or of the extreme degree of comparison of adjectives and adverbs; expressing the greatest degree of the quality or attribute expressed by the positive degree: usually indicated by the suffix -est(hardest) or by the use of most with the positive form (most beautiful)

noun

1. the highest or utmost degree; acme; height; peak
2. something superlative
3. Gram.
   1. the superlative degree
   2. a word or form in this degree