A superlative is a grammatical form used to express the highest degree of a quality among three or more items. It often involves adding the suffix "-est" to an adjective, such as in the word tallest, or using the word "most" before the adjective, as in most beautiful. Superlatives help to compare one item to all others in a specific category. In everyday language, superlatives are commonly used to highlight exceptional qualities. For example, when someone refers to Mount Everest as the highest mountain, they are using a superlative to emphasize its unmatched height compared to all other mountains. This form of comparison is essential for clear communication.