1. the quality of being sharp, intense, or severe
2. the quality of having keen insight or mental sharpness
3. the quality of being pointed or having a sharp angle

Examples

• The acuteness of her pain required immediate medical attention.
• His acuteness of mind helped him solve the complex problem quickly.
• The acuteness of the triangle’s angles made it difficult to measure.
• The doctor was concerned about the acuteness of the patient’s symptoms.
• Her acuteness in business negotiations impressed her colleagues.
• The acuteness of his hearing allowed him to detect the faintest sounds.
• The acuteness of the crisis demanded swift action from the government.