The quality or state of being gabby; the tendency to talk excessively or engage in idle chatter.
From 'gabby' plus the abstract noun suffix '-ness,' creating a noun form that describes the characteristic of talking a lot. The '-ness' suffix has Old English roots and converts adjectives into nouns.
Gabbiness is one of those personality traits that's almost impossible to hide—it's literally about taking up airspace with words, which might be why the name itself feels a bit mocking.
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