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• n  relatively small dimension through an object as opposed to its length or width
  the tenuity of a hair
• n  a rarified quality
  the tenuity of the upper atmosphere
• n  the quality of lacking intensity or substance
  a shrill yet sweet tenuity of voice"- Nathaniel Hawthorne

• An enormous head, with goggle eyes and a whopper jaw, was balanced on a frail body by means of a neck of extreme tenuity; and stooping shoulders with a long slouching gait did not .

• thinness
• slenderness
• rarity
• low density
• feebleness

• thickness