Exact match is Google Ads' most restrictive keyword match type, written in square brackets like [running shoes]. Despite the name, it matches more than the literal keyword: searches with the same meaning or intent qualify, including plurals, misspellings, synonyms, and reworded forms like "shoes for running".
Exact match stopped being literal years ago. Since 2017 Google has progressively expanded it to "same meaning" close variants: first plurals and misspellings, then word order and function words, then same-intent paraphrases. [lawn mowing service] today matches "grass cutting service" — a synonym with identical intent. What exact match still guarantees is the tightest intent boundary available: queries that add qualifiers, change specificity, or shift intent ("cheap lawn mowing service", "lawn mowing service reviews", "ride-on lawn mower service") should not match.
Why use it: control and economics. Exact-match keywords give you query-level predictability for your proven converters, the cleanest data for testing ad copy (you know what searchers saw), and historically the highest Quality Scores because ad-to-query relevance is maximal. For most accounts, the 10–30 queries that drive the bulk of revenue deserve exact-match keywords with dedicated ads, whatever else the account runs for discovery.
The cost is reach: exact match alone misses the long tail — the once-asked, specific queries that collectively carry a third or more of search volume. That is why the standard architecture pairs exact (control over proven winners) with broad-on-Smart-Bidding or phrase (discovery), letting each do its job.
One operational note: when a query could match multiple of your keywords across match types, Google's preference rules favor the identical exact-match keyword. Keeping your top queries as exact keywords therefore also stabilizes which ad shows and how spend distributes across campaigns.
Keyword: [crm for real estate]. Matches: "real estate crm", "crms for real estate agents", "crm real estate". Should not match: "free crm for real estate" (added qualifier), "best crm 2026" (different specificity), "what is a real estate crm" (informational intent).
Close variants. Google expanded exact match to cover same-meaning queries — plurals, misspellings, reordered words, and synonyms with identical intent. You can't disable this; control leakage with negative keywords when a variant misbehaves.
For proven converting queries where control beats reach: brand terms, your top revenue queries, regulated categories where you must control matched intent, and ad copy tests where you need to know what searchers typed.