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1. Indicating exactness or preciseness
   "he was doing precisely what she had told him to do";
   - exactly, just, properly
    
2. In a precise manner
   "she always expressed herself precisely";
   - incisively, exactly
    
3. Just as it should be
   "'Precisely, my lord,' he said";
   - exactly, on the nose [informal], on the dot [informal], on the button [informal]

Antonym: imprecisely

Encyclopedia: Precisely