anti-spam
adjective
an·ti-spam
ˌan-tē-ˈspam 
ˌan-tī-
ˌan-tī-
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
Thomas ClaburnExamples of anti-spam in a Sentence
Recent Examples on the Web
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
These are among the examples uncovered by anti-spam lab researcher Viorel Zavoiu of security firm Bitdefender.
—Emma Woollacott, Forbes.com, 6 Mar. 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
Campaigns have broad exemptions from anti-spam laws.
—Kurt Knutsson, FOXNews.com, 27 July 2025
The anti-spam tech works by analyzing a conversation for red flags.
—Lisa Eadicicco, CNN Money, 13 May 2025
The anti-spam protections put in place for Gmail will always walk something of a tightrope between stopping enough spam, a leading distribution channel for malicious actors, and stopping too much genuine email.
—Davey Winder, Forbes, 31 Oct. 2024
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
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ArsTechnica, 14 Apr. 2026
These are among the examples uncovered by anti-spam lab researcher Viorel Zavoiu of security firm Bitdefender.
—Emma Woollacott, Forbes.com, 6 Mar. 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
Campaigns have broad exemptions from anti-spam laws.
—Kurt Knutsson, FOXNews.com, 27 July 2025
The anti-spam tech works by analyzing a conversation for red flags.
—Lisa Eadicicco, CNN Money, 13 May 2025
The anti-spam protections put in place for Gmail will always walk something of a tightrope between stopping enough spam, a leading distribution channel for malicious actors, and stopping too much genuine email.
—Davey Winder, Forbes, 31 Oct. 2024
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
Cite this Entry
“Anti-spam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anti-spam. Accessed 1 May. 2026.
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