1. to go back over the same route or path that one has just traveled
2. to go back through something step by step, especially to find where a mistake was made
3. to trace something again, such as drawing over existing lines

Examples

• We got lost and had to retrace our steps to find the trail.
• The detective retraced the suspect’s movements on the night of the crime.
• Let me retrace my argument to see where I went wrong.
• She retraced the drawing to make the lines darker.
• The hikers retraced their path when they realized they had missed the turn.
• He retraced his logic to find the error in his calculations.
• The artist retraced the sketch with a pen.