Plural form of grimness; multiple instances or types of grim qualities.
Standard English plural formation of 'grimness' using the '-es' suffix added to nouns ending in '-ness.' This follows regular English pluralization rules, allowing abstract nouns to be counted when referring to multiple different manifestations of the quality.
While abstract nouns like 'grimness' don't pluralize very often, 'grimnesses' appears in serious literature when writers want to emphasize the many different ways grimness can appear—different kinds of darkness, different forms of severity.
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