The property of being slight, smallness, petiteness(noun)
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Use "slightness" in a sentence
"She turned to Amber, who took her up in his arms and set her in the saddle of one of the stallions; who, his bridle being released by the trooper, promptly leaped away and danced a spirited saraband with his shadow, until Naraini, with a strength that seemed incredible when one recalled the slightness of her wrists, curbed him in and taught him sobriety."
"The "slightness" of the ribbons holding the pictures together can be compared to the temporal, narrative dimension of all writing, which Darwin finds many ways to downplay in favour of the synchronically viewable pictures which — as in his repeated use of extended similes introduced by "So" or "Hence" — he often asks us to juxtapose and compare quasi-spatially rather than merely as diachronically successive."
"I was not merely being polite in expressing the slightness of my difference with Dr. Bauder."