What is Negative Keywords?

Negative keywords are words or phrases you add to a search ad campaign so your ads do not show for irrelevant searches, saving budget for real buyers.

Most advertisers spend their energy choosing which keywords to target. Fewer spend time on the opposite question: which searches should never trigger your ad? That second list is just as important. It is called negative keywords.

A negative keyword tells Google Ads or Microsoft Advertising not to show your ad when a certain word or phrase appears in the search. It is like a polite receptionist at the door, guiding away people who came looking for something else.

Why you need them

Search platforms try to match your keywords to many related searches. That is useful, but it also brings surprises. For example, a company selling leather shoes might find its ads showing for "leather shoe repair", "leather shoe jobs" or "how to make leather shoes at home". Those people are unlikely to buy a new pair today.

Suppose that company spends ₹40,000 a month and finds that 20% of the spend went to searches like these. That is ₹8,000 a month spent on clicks that were never likely to convert. Adding negative keywords like "repair", "jobs" and "how to make" sends that budget back to real shoppers.

This matters even more with broad match and other automated campaign types, which reach a wider range of searches. Negatives are one of the clearest ways to set boundaries for the automation.

Match types for negatives

Negative broad match: blocks searches that contain all the negative words, in any order.
Negative phrase match: blocks searches that contain the exact phrase in that order.
Negative exact match: blocks only that exact search.

For example, the negative phrase "shoe repair" blocks "leather shoe repair near me" but not "repair leather shoes".

One detail many people miss: negative keywords do not automatically block close variants, plurals or misspellings the way normal keywords match them. You may need to add "job" and "jobs" separately.

How to build your list

When my team at Thetechhacker starts managing a new search account, one of the first reports we open is the search terms report. It shows the real searches that triggered your ads. A good routine looks like this:

Before launch, add obvious negatives like "free", "jobs", "salary", "download" or "second hand", where they do not fit your offer
Review the search terms report weekly in the first month, then monthly
Create shared negative keyword lists you can apply to several campaigns
Be careful not to block good traffic, such as adding "cheap" when you actually sell budget products

How it connects to other metrics

Good negatives usually improve your click-through rate, since your ads show to more relevant people. They also help your cost per acquisition, because less money goes to clicks that never convert. And they keep your ads aligned with the real search intent of your buyers.

Simple takeaway

Negative keywords are one of the simplest ways to stop wasting PPC budget. They rarely get attention in strategy meetings, but they quietly protect every rupee you spend. Check them often, and your campaigns get cleaner month by month.