Ever looked at an Amazon PPC report and wondered where the budget went? For an FBA seller, that leak usually has a name: search terms that pull clicks and never turn into sales.
Negative keywords are the fix. They tell Amazon which searches to skip, so your spend follows buyers instead of browsers.
The waste is bigger than most sellers expect. In the accounts we manage, we routinely find money draining into terms that were never going to convert, quietly pushing up cost and dragging down profit.
Here is how to find negative keywords for Amazon FBA, how to add them, and how to use them without choking the reach your listings need to rank.
TL;DR — the short version
How do you find negative keywords for Amazon FBA? Pull your search term report, then flag the queries with plenty of clicks and no sales, the ones that miss your product, and the single words that repeat across many losing terms. Add those as negative phrase or negative exact terms at the ad-group or campaign level, give Amazon up to 72 hours to apply them, and recheck every week or two. Judge each term on profit and total advertising cost of sale, and keep any odd query that quietly converts.
What Negative Keywords Are on Amazon
A negative keyword is a word or phrase you add to a campaign to stop your ad from showing on searches that contain it. Regular keywords tell Amazon where you want to appear. Negatives tell Amazon where you do not, which keeps your ad off queries that waste clicks.
Amazon keeps the negative side simpler than regular targeting. Broad, phrase, and exact all exist for the keywords you bid on, but negatives come in only two forms, plus a product-level option.
Negative Phrase Match
Negative phrase blocks any search that contains your phrase in the same order, including close variations. Add “stainless steel bowl” as a negative phrase and your ad drops out of “cheap stainless steel bowl” and “stainless steel bowl with lid,” while “steel kitchen bowl” can still show because the phrase is broken up. Amazon caps a negative phrase at four words and 80 characters, so use it to wipe out a whole family of unwanted searches with one entry.
Negative Exact Match
Negative exact is the scalpel. A negative exact blocks only the exact query and its close variations, such as the plural, and nothing longer. Set “wooden spoon” as a negative exact and your ad skips “wooden spoon” and “wooden spoons,” yet stays eligible for “wooden spoon set.” Amazon allows up to ten words and 80 characters here, which suits one specific term that burns clicks without converting.
Negative Product Targeting
Keywords are only half the story. You can also add negative product targets, which stop your ad from appearing on specific ASINs or brands, handy when auto campaigns or category targeting keep serving your ad next to a product that never wins the click. Amazon applies a negative product target a little slower than a keyword, so expect up to 96 hours for it to take hold.
Why Negative Keywords Protect Your Profit
For an FBA seller, every click carries a cost that a digital-only seller never sees. You pay for the click, and behind it sit fulfillment and storage fees on the unit you hoped to sell. A term with high click volume and low conversion is a double loss, so trimming it does more for your bottom line than one more bid tweak.
Cleaner traffic helps in three ways at once:
- ●Smarter spend: blocking non-converting searches moves budget toward shoppers who are ready to buy, which lifts conversion rate.
- ●Healthier campaigns: ads that stop showing on irrelevant queries earn a better click-through rate, and a strong click-through rate keeps your placements competitive.
- ●Lower total cost: fewer wasted clicks pulls down your total advertising cost of sale and your ACoS, which is the difference between a campaign that scales and one that bleeds.
The point is profit, rather than a vanity number. A low ACoS on a term you should have cut still costs you money, so weigh each negative against margin and total profitability instead of one ratio.
Read Your Search Term Report the Right Way
The search term report is the single source that drives every negative you will ever add. The report lists the real queries shoppers typed before they clicked, along with clicks, spend, and orders for each one. Most sellers skim it for obvious junk and stop there, which leaves most of the value on the table.
Spot the Terms That Waste Spend
Sort the report by spend, then read from the top. Three patterns are worth a negative:
- ●High clicks, zero sales: a query with real click volume and no orders is paying to send you the wrong shopper.
- ●High spend, weak conversion: a term that eats budget and converts far below your account average rarely earns its keep.
- ●Off-target queries: anything that describes a different product, a different use case, or a bargain hunter when you sell premium.
See Which Targeting Group Triggered a Term
A search term rarely explains itself, so the report also shows the targeting, the keyword or product target that matched the query, which reveals the ad group and match type that let it through. That column tells you where to place the negative: block the term in the exact ad group that served it, and you fix the leak without hurting a campaign that was working. Reading the trigger is how you negate with a scalpel instead of a hammer.
Harvest Winners While You Cut Losers
The same report that surfaces waste also hands you your next winners. Any search term with a strong conversion rate and healthy order count is a candidate to pull into its own exact-match campaign, where you can bid it up and control it.
Harvesting the winners and negating the losers are two moves off one report, and Amazon points to this search-term optimization as core best practice. Add the harvested term as an exact keyword in a clean campaign, then add it as a negative in the broad or auto campaign that discovered it, so the two never bid against each other.
Use the Search Term Impression Share Report
Amazon’s Search Term Impression Share report adds the piece the standard report leaves out: how much of the available impressions you captured on a given term, and which brand took the rest. A query where you convert well but hold a small share is a reason to push, rather than cut.
A query where you spend heavily yet own most of the impressions and still see weak sales is a strong negative candidate. Reading share alongside conversion stops you from negating a term that simply needed more budget, and from pouring money into one you already dominate.
How to Find Negative Keywords for Amazon FBA
With the report open, the work becomes a repeatable routine. Run these steps on every review and the list builds itself.
Review the Report With FBA Costs in Mind
Start with your search term report and read it through a profit lens, rather than a clicks lens. A term with 15 to 20 clicks and no orders has already spent real money, and the fulfillment and storage fees sitting behind that hoped-for sale make the true waste larger than the ad spend alone. Flag those terms, tally what they cost you, and add the clearly irrelevant ones as negatives.
Group Low Performers by a Single Word
One weak query is a data point, but the same word across many weak queries is a pattern. Say “travel” shows up in a dozen low-converting searches for your home pillow; a single negative phrase on “travel” blocks the whole family at once, which is far faster than negating each long-tail term by hand. Scan the losing rows for the word they share, then negate the word.
Widen the Time Frame Before You Judge a Term
Amazon’s advertising reports only reach back a limited window, so a term can look harmless on a short view; export and archive your search-term data, ideally with software, and a query with a handful of clicks over two weeks may show 60 clicks and no orders across a year. That longer view gives you the sample size to negate or lower a bid with confidence. We do this at scale for clients, and the archived history is where a lot of the hidden waste turns up.
Cut Terms That Miss Buyer Intent
Some queries are relevant on the surface and wrong underneath. A shopper searching “organic baby lotion” is not your buyer if you sell an adult formula, so terms like “baby,” “kids,” and “men’s” belong on the list. Filtering out the searches that never fit your listing leaves cleaner traffic and a higher conversion rate, which Amazon rewards with better placement and a lower cost per click.
Stop Your Listings From Competing
Running several FBA listings under one brand, different colors or sizes of the same item, means their campaigns can bid against each other on the same broad terms. That internal competition splits your visibility and pays Amazon twice. Add each product’s exact winners as negatives in the broad and auto campaigns of its siblings, so every search routes to one listing instead of a bidding war among your own SKUs.
Mine Auto Campaigns for New Negatives
Auto campaigns are your discovery engine, and their job is to surface search terms you never thought to target. Read their report often, harvest the converters into exact campaigns, and negate the rest so the auto campaign keeps exploring without wasting budget on ground you have already covered. That harvest-and-negate loop is the backbone of a clean campaign structure.
How to Add Negative Keywords in Seller Central
Finding the terms is the thinking, and adding them takes a minute. In Campaign Manager, open the campaign and ad group, choose Negative targeting, then add your negative keywords or negative products and set the match type. For a long list, the Bulk Operations sheet lets you upload negatives across many campaigns at once, which beats typing them in one at a time.
Two details save headaches. Sponsored Products lets you place negatives at both the campaign level and the ad-group level, while Sponsored Brands has no campaign-level negatives, so those go on the ad group. Negatives are also not instant: a negative keyword can take up to 72 hours to apply and a negative product up to 96 hours, so give a change time to work before you judge the result.
How to Use Negative Keywords Without Killing Growth
Negatives are a scalpel, and a scalpel in a hurry does damage. The sellers who win with them add deliberately and review often, guided by a few rules.
Protect Margin Ahead of ACoS
FBA fees are fixed whether a unit sells or not, so a high-click, low-conversion term is a margin problem before it is an ACoS problem. Cut the terms that spend without converting and you protect the profit on every sale, which matters more than shaving a point off a ratio. Keep the focus on contribution margin and total cost, the numbers that decide whether the account actually makes money.
Use Ad-Group Negatives to Keep Structure Clean
One of the most useful moves is also the quietest: adding your exact-match winners as negatives in the broad and phrase ad groups that feed them. Without that, a broad ad group steals impressions from the exact campaign you built for those terms, and your data gets muddy. Ad-group negatives keep each match type in its lane and your reporting honest.
Avoid Over-Negating Your Own Reach
The opposite mistake is just as costly. Sellers who negate aggressively on a few clicks choke the discovery and velocity an FBA listing needs to rank, and velocity is what moves organic position. Give a term enough clicks to prove itself, roughly 15 to 20 with no orders, and always open the search term report before you cut a query, because the odd, unexpected term that converts is one you want to keep.
Common Negative Keyword Examples for FBA Sellers
Your list will be specific to your catalog, yet a few patterns show up on almost every account. Use these as a starting checklist, then confirm each against your own report before you add it:
- ●Different-product terms: selling plastic bowls, block “glass bowls” and “metal bowls.”
- ●Bargain terms when you sell premium: words like “cheap,” “free,” “budget,” and “discount.”
- ●Competitor brand names: without a reason to target them, keep unrelated brands off your spend.
- ●Wrong variations: selling white shirts, negate “black” and “blue” if those colors are not in your range.
- ●Used or refurbished terms: for a new product, block “used,” “refurbished,” and “second hand.”
- ●Wrong use case: selling a luxury silk pillowcase, negate “travel” and “satin” to match real intent.
Frequently Asked Questions (FAQs)
Conclusion
Negative keywords rarely get the attention that bidding strategies do, yet they quietly do some of the most valuable work in an Amazon account. For FBA sellers working on tight margins, cutting the wrong traffic can be the line between a profitable campaign and money down the drain.
Read the search term report on a schedule, harvest the winners, negate the losers, and check impression share before you push or cut. Do that with profit in mind rather than a single ratio, follow the full PPC workflow, and your budget starts landing where it belongs.
If you would rather have a team run this at scale, that is what we do. Get a free audit and we will show you exactly where your spend is leaking and what to negate first.
Isaac Gross is the founder and CEO of IG PPC, a hands-on Amazon and Walmart PPC agency for 7 to 9 figure brands. An Amazon seller since 2015, he founded IG PPC in 2019 and the firm now manages billions in annual Amazon sales.
