Greatest concertos. Learn about its definition, etymology, usage in various contexts, and its cultural significance. The meaning of GREAT is notably large in size : huge. great·er , great·est 1. a. How to use great in a sentence. See ‘Meaning & use’ for definitions, usage, and quotation evidence. GREATEST definition: the superlative of great See examples of greatest used in a sentence. the superlative of great /ˈgreɪɾɪst/ /ˈgreɪtɪst/ IPA guide Definitions of greatest adjective highest in quality synonyms: sterling, superlative There are seven meanings listed in OED's entry for the word greatest, one of which is labelled obsolete. Nov 27, 2025 · The greatest number of bridges requiring modification are overline bridges, and many methods are adopted in reconstructing and altering them to give increased clearances. Define greatest.