variants or antispam
: serving or intended to eliminate or reduce spam
anti-spam laws/legislation
antispam filters
… spammers keep coming up with new tricks to work their way around anti-spam technology …—Thomas Claburn

Examples of anti-spam in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The shape is familiar to anyone who lived through the antivirus, anti-spam and web application security wars, and the lessons from those wars tell us almost exactly what to do. — Harsh Singhal, Forbes.com, 12 June 2026 Starting on June 15, 2026, sites using back button hijacking could be hit with either automated or manual anti-spam actions. — ArsTechnica, 14 Apr. 2026 But spammers can use these domains to flood inboxes with emails, simply creating new domains whenever the old ones are flagged by Microsoft’s anti-spam defenses. — PC Magazine, 24 Aug. 2025 The anti-spam tech works by analyzing a conversation for red flags. — Lisa Eadicicco, CNN Money, 13 May 2025 Something analogous was just narrowly avoided on the Internet, when anti-spam watchdog Spamhaus came under the largest denial-of-service attack ever recorded. — IEEE Spectrum, 28 Mar. 2013

Word History

First Known Use

1995, in the meaning defined above

Time Traveler
The first known use of anti-spam was in 1995

Browse Nearby Words

Cite this Entry

“Anti-spam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anti-spam. Accessed 29 Sep. 2026.

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