The quality or state of being flighty, restless, nervous, or inclined to move around constantly without settling.
From 'flitty' (an adjective meaning restless or flighty) combined with the -ness suffix, which creates abstract nouns from adjectives. The root still traces to Old Norse 'flitra,' now describing a personality trait rather than just physical movement.
Adding -ness to personality words is how English builds psychology! Flittiness captures that nervous, can't-sit-still energy—notice how it sounds jumpy and light, with quick 't' sounds that make you feel restless just saying it.
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