How to Set Up Google Ads Negative Keywords Correctly

Set up Google Ads negative keywords by defining the unwanted search intent, choosing the narrowest effective scope, selecting the correct negative match type, and checking the result in the search terms report. A negative keyword is not merely a word to paste into a list. It is a rule that can remove auctions from one campaign, several campaigns, or an entire account.

The safest process begins with evidence and a clear owner. Add exclusions that protect the offer, test their likely effect, and review them when the business changes. Google’s negative matching rules are different from positive keyword matching, so old assumptions about what a phrase blocks should be verified.

1. Build an exclusion policy from the offer

List the situations the business cannot or does not want to serve. Depending on the account, that may include employment searches, free-only requests, unrelated products, support questions, do-it-yourself research, or locations outside the service area. Do not assume a word is always bad. “Free” could be wrong for a premium service but useful for a free trial; “repair” could be irrelevant to a software product but central to a maintenance campaign.

Separate clearly wrong intent from research that might become valuable. Use sales feedback, lead quality, margin, and customer fit when those signals exist. For each proposed exclusion, write the unwanted intent, example searches, the campaigns it should affect, and the reason. This creates a reviewable policy instead of a list that only one person understands.

Start with the search terms report when the account has data. Google describes it as a view of searches that triggered ads and their performance; use the official report guide to confirm the current columns and privacy limits.

2. Select the narrowest useful scope

Use an ad-group negative when the rule belongs to one keyword theme. Use a campaign negative when it applies to one offer, region, or campaign. Use a shared or account-level list only when the exclusion is truly universal. A global rule for “jobs” may be sensible for a lead-generation client, while a term such as “repair” may need to remain available in another campaign.

Before saving a broad exclusion, inspect which campaigns, products, and locations it can affect. The same query can have different value in a brand campaign, a generic campaign, and a shopping campaign. If the purpose is to keep two campaigns from competing, write that routing rule down and test it after changes.

Google’s negative keyword guide documents account-level negatives and the way exclusions work in different campaign contexts. Confirm the scope in the current interface rather than assuming a list name tells you where it applies.

3. Choose the negative match type

Negative broad, phrase, and exact match each express a different boundary. A negative broad rule can block a search containing the negative terms under the negative matching rules. Negative phrase is narrower around the phrase order, and negative exact is narrower still. Negative keywords do not automatically cover every synonym or close variation, so test the actual unwanted patterns.

Suppose an account must exclude employment searches for “accounting software.” Decide whether the boundary is the concept of a job, the phrase “accounting software jobs,” or one exact query pattern. The right choice depends on what other campaigns sell. Add variants only when they represent the same unwanted intent; do not turn every search term into a permanent exclusion.

If the problem is that an ad group mixes several positive intents, fix that structure as well. Negative keywords should route and protect traffic, not hide a campaign that has no coherent offer.

4. Add, test, and review the exclusions

After adding a negative, verify the scope, match type, spelling, and status. Then inspect the next search-term reports for both the waste you expected to remove and the useful demand you must preserve. If two campaigns should route different intent, test representative searches against both campaigns rather than assuming the negative produced the desired result.

Use this decision loop:

• repeated, clearly irrelevant, expensive query: exclude it at the narrowest useful scope;
• relevant query with a weak ad or page: improve the positive setup instead;
• low-volume or ambiguous query: gather more evidence before blocking it;
• useful query blocked after a change: remove or narrow the negative and record the correction.

Keep an owner and review date for shared lists. Review exclusions after a new product, service, region, landing page, or pricing model launches. An exclusion that was correct for the old offer can silently remove the new one.

5. Use a final setup checklist

Before considering the negative-keyword setup complete, confirm:

1. every exclusion describes a clearly unwanted intent;
2. the scope matches the campaign, product, and location boundary;
3. the negative match type matches the intended concept, phrase, or query;
4. existing positive keywords, ads, and landing pages were checked first;
5. primary conversions and lead quality will be used to judge the result;
6. a person owns the search-term review and shared-list maintenance.

The goal is not the largest negative list. It is a campaign that can discover valuable demand while reliably excluding searches the business cannot serve. For a broader account review, see the adz.so product overview, and verify the current live workflow before promising a specific optimization capability.