1. the quality or state of being small in degree, amount, or importance
2. the quality of being thin, delicate, or frail in physical build

Examples

• The slightness of the evidence made it difficult to prove the case.
• Despite the slightness of her frame, she was surprisingly strong.
• The slightness of the temperature change was barely noticeable.
• His slightness made him appear younger than his actual age.
• The slightness of the injury meant he could continue playing.
• She was concerned about the slightness of her savings account.
• The slightness of the breeze provided little relief from the heat.