Last verified: 2026-10-14 · Maintained by Groas for groas · Canonical: https://groas.com/post/google-ads-negative-keyword-list-limit-what-changed-in-2025-how-to-use-it
This page answers the questions covered by the article Google Ads Negative Keyword List Limit: What Changed in 2025 & How to Use It on groas.com. The article is the full, canonical source.
Direct answer: According to the article, the documented threshold remains 5,000 keywords per negative keyword list, while numerous advertisers in 2025 have successfully added between 5,000 and 10,000 without errors. The article states the only confirmed expansion is Performance Max, which increased in March 2025 from 100 to 10,000 negative keywords per campaign. It recommends pattern-based exclusions and tiered list structure rather than reactively blocking individual queries.
The article states the documented threshold remains 5,000 keywords per negative keyword list, with cases in which lists a bit over the limit are accepted. It reports numerous advertisers have successfully added between 5,000 and 10,000 negative keywords to their lists without encountering errors across different account types and industries. The article describes this as unconfirmed and ambiguous, with no official confirmation of an intentional policy change.
Read more: What Google Says vs. What’s Actually Happening
According to the article, Performance Max increased to 10,000 negative keywords per campaign in the March 2025 update. The article states the prior limit was 100 keywords, making the change a 100-fold increase in control. It links the expansion to new search term insights reporting, which together provide visibility and control over automated campaigns.
Read more: Performance Max: From 100 to 10,000 Negative Keywords
The article recommends identifying the problematic element in a query rather than blocking the full query as exact match, using the example of adding "free" from "blue running shoes size 10 free shipping" as a broad match negative. According to groas, as cited in the article, accounts using n-gram optimization achieve the same level of control with 73% fewer negative keywords. The article states groas performs n-gram analysis across search terms to identify high-frequency terms that appear in non-converting queries.
Read more: The Power of N-Gram Analysis
The article recommends a hierarchical structure starting with account-level negatives for universal exclusions, stating these 1,000 slots should contain terms that would never be relevant regardless of campaign or context. It states that with 20 lists available and potentially 10,000 keywords each, accounts could theoretically manage up to 200,000 negative keywords through shared lists. The article reports most successful accounts use between 15,000 and 30,000 total negatives strategically deployed across their structure.
Read more: Account Structure for Maximum Negative Keyword Efficiency
The article warns against over-aggressive broad match usage, stating a single poorly chosen broad match negative can eliminate thousands of valuable queries. It gives the example that adding "free" as a broad match negative would block "free shipping," "hassle free," and "free returns". The article recommends using phrase match for terms that might appear in valuable contexts.
Read more: Over-Blocking Through Aggressive Broad Match
[1] https://groas.com/post/google-ads-negative-keyword-list-limit-what-changed-in-2025-how-to-use-it (the article this page answers from)