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What Is Negative Keywords?
Updated 18 September 2026
Quick Answer
Negative keywords are search terms you explicitly exclude from a PPC campaign, preventing your ad from showing for searches that aren't genuinely relevant to what you offer.
Negative Keywords vs. Keywords — What's the Difference?
| Negative Keywords | Keywords | |
|---|---|---|
| Purpose | Excludes irrelevant searches from triggering your ad | The terms you actively want to trigger your ad |
Why It Matters
- Without them, ad spend is wasted on clicks from searches that were never going to convert, like someone searching for a free version of a paid service.
- Reviewing search terms regularly to add new negative keywords is one of the simplest ways to improve PPC efficiency over time.
How It Works
- You review the actual search terms triggering your ads.
- Irrelevant terms (e.g. 'free', 'jobs', a competitor's brand name) are added as negative keywords.
- Your ad stops showing for those specific irrelevant searches, improving overall spend efficiency.
Key Takeaways
- Negative keywords exclude irrelevant searches from triggering your ad.
- They prevent wasted spend on clicks that were never going to convert.
- Regular review of actual search terms is how most negative keywords get identified.
Frequently Asked Questions
How do I find negative keywords to add?
Review your search terms report regularly within Google Ads to spot irrelevant queries triggering your ads unnecessarily.
Do I need negative keywords from the start of a campaign?
A basic starting list helps, but ongoing review as real search data comes in is where most negative keyword value is found.
Can negative keywords save significant ad spend?
Yes — eliminating clearly irrelevant clicks is one of the most direct, easy wins for improving PPC cost efficiency.