Unwanted or unsolicited advertising or promotional material received through the mail or by email: shred or discard junk mail immediately my inbox is full of junk mail
More example sentences
- Why is it legal to send junk mail via the post office, but if you send it by email it's suddenly illegal?
- In that world, senders have to pay to send mail: Paper junk mail has to have postage.
- Following an experiment to see just how much junk mail he received in a year, he produced a 70 lb mail mountain.
For editors and proofreaders
Syllabification: junk mail
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