Amazon PPC negative keywords exclude shopping queries that do not fit the product or campaign objective. Use negative exact or negative phrase targeting deliberately, with search-term evidence and a clear reason for the exclusion. A short run of weak performance alone may not justify blocking relevant demand.
Amazon supports negative exact and negative phrase targeting, with different matching behavior. Use those controls to express a deliberate boundary. Start with a search-term report, rather than copying a generic exclusion list into every campaign.
When to add Amazon PPC negative keywords
If you sell an electric grinder, a query for a replacement component you do not stock is a plausible exclusion. A query for an electric grinder that has spent money without an order is a different question. Its wording may fit; the bid, offer, or sample size may be the issue.
Keep an exclusion log with the query, affected ASIN, reason, date, and scope. A statement such as "wrong accessory size" gives the next person more context than "bad ACoS." Check compatibility and intent before deciding that performance justifies blocking the demand.
Negative exact vs negative phrase: choose the right exclusion
Negative exact is a narrower tool when a particular shopping query is unsuitable. Negative phrase can remove a family of queries containing an unwanted phrase, including close variations described in Amazon's help. Review the queries that a wider exclusion could affect.
For an illustrative example, a product that cannot be used outdoors may justify excluding an outdoor-use phrase. A product with both indoor and outdoor uses needs a more specific decision. Read several actual queries containing the phrase before applying an exclusion that reaches beyond the original row.
Where to apply campaign and ad-group exclusions
A campaign-level negative can affect several products. What is irrelevant to a compact model may be right for a larger model in the same account. Use the smallest scope that expresses the actual incompatibility, then check any shared campaign structures.
Negative keywords and negative product targets solve different problems. An unwanted ASIN context may call for a product exclusion, rather than adding its identifier as ordinary keyword text. Our product-targeting guide explains how to evaluate those shopping comparisons.
- Name the product and intent being excluded.
- Check campaign versus ad-group scope.
- Record the reason and the date for a later review.
How to review negative keyword changes
Compare query mix, spend, mature orders, and total relevant traffic with a comparable period after the change. Give conversions time to appear under the report's attribution rules. If spend falls but useful orders disappear too, investigate what was blocked.
Promoting a query into exact targeting does not automatically require excluding it from discovery. First decide which campaign should own the budget and whether more learning is useful. The automatic-versus-manual workflow helps make that choice explicit.
Use negatives for a defensible boundary: the wrong intent, product, or context. Record the reason, choose a useful scope, and verify that the account still reaches shoppers who could buy.




