The quality or state of being fierce, furious, or characterized by wild and uncontrolled intensity or rage.
Formed from 'furacious' (adjective) plus the English abstract noun suffix '-ness,' which transforms adjectives into nouns representing their essential qualities, a productive process in English for over 1,000 years.
The '-ness' suffix is one of English's most powerful word-building tools, turning any adjective into an abstract noun—it shows how English speakers can infinitely expand their vocabulary by recombining basic parts, which is why English has more words than almost any other language.
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