lightness
US /ˈlaɪt.nəs/
UK /ˈlaɪt.nəs/
1.
the quality or state of being light in weight
:
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The lightness of the new material makes it ideal for aircraft construction.
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Despite its size, the sculpture had a surprising lightness.
2.
the quality or state of being bright or having much light
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The room was filled with the lightness of the morning sun.
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She preferred the lightness of pastel colors for her paintings.
3.
the quality of being carefree or cheerful
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Her laughter brought a sense of lightness to the serious meeting.
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He approached life with a certain lightness, never dwelling on problems.