Extremely light in weight; also used to describe feeling carefree, unburdened, or relieved of worry.
This comparison dates back to ancient times and appears in various forms across many languages. Feathers have universally represented lightness due to their role in enabling flight, making this one of humanity's most intuitive metaphors.
Feathers are actually marvels of engineering - their lightness comes from a hollow structure that maintains strength while minimizing weight. This phrase beautifully captures both physical lightness and the metaphorical 'lightness of being' that comes from freedom from burdens.
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