The quality or state of being deeply heartbroken; profound emotional pain and sadness from loss or rejection.
From 'heartbroken' (adjective) + '-ness' (Old English suffix forming abstract nouns). Creates an abstract noun describing the condition or state of having a broken heart.
English lets us stack suffixes like this—'heart-break-en-ness'—creating four morphemes in one word, which is why English can feel both poetic and grammatically chaotic compared to languages with simpler noun formation.
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