spamming
US /ˈspæm.ɪŋ/
UK /ˈspæm.ɪŋ/

1.
the activity of sending unwanted messages, especially advertisements, to a large number of people on the internet
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He was banned from the forum for excessive spamming.
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Our email filters effectively block most spamming attempts.
1.
sending unwanted messages, especially advertisements, to a large number of people on the internet
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The company was accused of spamming its customers with promotional emails.
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He spends his days spamming various online forums.
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