The quality or state of being freaky or strange; the degree to which something is weird or unconventional.
From 'freaky' plus the noun-forming suffix '-ness' (Old English 'nys', meaning state or condition). This suffix has been used for over 1,500 years to abstract qualities into countable nouns.
The '-ness' suffix is English's favorite way to turn feelings into things—'freakiness,' 'happiness,' 'darkness'—and it works so well that we barely notice we're doing something linguistically clever every time we say these words.
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