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What Is a Negative Keyword in Google Ads

Author: Haydn Fleming • Chief Marketing Officer

Last update: Mar 21, 2026 Reading time: 4 Minutes

Understanding Negative Keywords

Negative keywords in Google Ads play a critical role in refining your advertising strategy. By using negative keywords, advertisers can prevent their ads from appearing in irrelevant searches, ultimately increasing return on investment (ROI). This technique allows you to target more qualified leads and maximize your ad spend by ensuring that your ads only show up in searches that align with your business offerings.

The Importance of Negative Keywords

Enhancing Targeting Precision

One of the primary purposes of negative keywords is to enhance targeting precision. When you add negative keywords to your campaigns, you filter out unwanted search queries. For example, if you sell high-end running shoes, adding “cheap” as a negative keyword means your ads won’t show up for searches that include the word “cheap”. This helps in attracting potential customers who are more likely to make a purchase.

Improving Click-Through Rates (CTR)

By excluding searches that do not align with your product or service, negative keywords help improve your Click-Through Rates (CTR). Higher CTR not only indicates relevancy to searchers but also affects your Quality Score. A higher Quality Score can lead to lower costs per click and higher ad placements. Thus, implementing a negative keyword strategy can significantly benefit your overall Google Ads performance.

How to Identify Negative Keywords

Keyword Research Tools

There are a variety of keyword research tools available that can help you identify potential negative keywords. Tools like Google Keyword Planner, SEMrush, or Ahrefs can provide insights into relevant keywords and search trends. By analyzing these metrics, you can pinpoint terms that detract from your advertising goals.

Analyzing Search Term Reports

Google Ads provides valuable search term reports, which showcase the actual queries generating traffic to your ads. Reviewing this report regularly allows you to identify irrelevant keywords that result in clicks but no conversions. This insight is crucial in identifying which keywords to add to your negative list.

Implementing Negative Keywords in Campaigns

Step-by-Step Process

  1. Access Your Google Ads Account: Log into your account and navigate to the relevant campaign or ad group.

  2. Select the Keywords Tab: Click on the ‘Keywords’ tab, where you will find an option to add negative keywords.

  3. Add Negative Keywords: Use the ‘Negative Keywords’ option to input the terms you want to exclude. You can add these at the campaign or ad group level.

  4. Monitor Performance: After adding negative keywords, monitor the performance to determine if your CTR and conversion rates improve.

Types of Negative Keywords

Understanding the types of negative keywords is crucial for effective ad campaigns.

  • Negative Exact Match: Ads will not show for searches that match the exact negative keyword.

  • Negative Phrase Match: Ads will not show if the search contains the negative phrase in sequence but may still show for other variations.

Employing both types can significantly enhance your targeting and efficiency in Google Ads.

Common FAQs on Negative Keywords in Google Ads

What are negative keywords used for?

Negative keywords are used to filter out irrelevant searches, ensuring that your ads are only shown to users who are more likely to convert.

How do I find negative keywords?

You can find negative keywords by using keyword research tools and analyzing Google Ads search term reports for irrelevant search queries.

How often should I update my negative keywords?

Regularly review your search term reports and update your negative keywords at least once a month to maximize ad performance.

Can negative keywords affect my Quality Score?

Yes, by improving ad relevancy and CTR, negative keywords can positively impact your Quality Score, potentially leading to lower costs and better ad placements.

Conclusion

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