1. letters or emails exchanged between people
2. the activity of writing letters or emails to someone
3. a close similarity or connection between two things
Usage: formal

Examples

• I found a box of old correspondence in the attic.
• She maintained correspondence with her college friends for years.
• The newspaper published correspondence from angry readers.
• There is a clear correspondence between the two theories.
• His correspondence with the university lasted several months.
• The correspondence between the map and the actual terrain was poor.