Brand safety you can trust
Urban Dictionary reflects how people really talk online. Our industry-standard content classification ensures your ads only appear on pages that meet advertiser safety requirements.
What we screen for
Every Urban Dictionary definition is scored across 13 industry-standard safety categories.
Sexual Content
Sexual content
Sexual content involving minors
Harassment & Hate
Harassment
Threatening harassment
Hate speech
Threatening hate speech
Violence & Harm
Violence
Graphic violence
Self-harm content
Illicit activities

We use an industry-standard content moderation API that powers safety systems across major platforms. Each definition receives a probability score (0.0–1.0) for every category.

Simple, clear classification

Every page is classified as either SFW (Safe For Work) or NSFW (Not Safe For Work). No ambiguity, no surprises.

SFW
Safe For Work
Content that meets advertiser safety standards. No significant flags across any harm category.
Examples: "stan" (to be a fan), "GOAT" (Greatest Of All Time), "lowkey" (somewhat/secretly)
NSFW
Not Safe For Work
Content that exceeds safety thresholds in one or more categories. Not available for standard advertising.
Blocked from standard ad inventory

Note: Pages without completed safety review default to NSFW to protect advertisers.

The majority of our content is classified as SFW

Each page is evaluated independently. When we mark content as advertiser-safe, that specific page meets all standards.

How our safety system works

Urban Dictionary applies two distinct moderation layers to every piece of content — one for publication, and another for advertiser safety.

1
Content moderation
Human review ensures entries meet Urban Dictionary's publication guidelines.
2
Advertiser safety scoring
Published definitions are analyzed using an industry-standard content moderation API, scoring each definition across 13 harm categories.
3
SFW/NSFW classification
Each page is classified based on the highest-risk content. Any definition exceeding thresholds marks the entire page as NSFW.
4
Default protection
Pages without safety analysis default to NSFW until reviewed, protecting advertisers from unknown content.
Content distribution
13
harm categories scored
5.7M+
definitions analyzed
Built for transparency

Industry-standard scoring

  • We use the same content moderation API trusted by major platforms worldwide for content safety.

Binary classification

  • Simple SFW/NSFW classification. No complicated tiers or ambiguous grades. Safe content or blocked content.

Conservative thresholds

  • We err on the side of caution. We'd rather block borderline content than risk your brand.

Have a question about our brand safety policies?

Get detailed information about our moderation system, thresholds, and implementation.

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