The quality or state of being grandiose; impressive or imposing grandeur, sometimes with a sense of exaggeration.
From grandiose plus -ness (Old English suffix creating abstract nouns from adjectives). The -ness suffix is one of the most productive noun-forming suffixes in English, allowing creation of nouns from almost any adjective.
The -ness suffix is so automatic in English that speakers use it constantly without thinking. Words like happiness, sadness, and kindness show how this suffix lets us turn feelings and qualities into countable abstract nouns—a useful trick for any language.
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