The quality or state of being general; the extent to which something is broad, widespread, or not limited to specific cases.
From general plus -ness suffix (meaning 'state or quality'). A straightforward formation following standard English morphology.
'Generalness' is an uncommon word because we usually just say 'generality,' but the -ness suffix construction reveals how productive English is—you can add -ness to almost any adjective to make an abstract noun about that quality!
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