← DictionaryLookalike Audience
also called similar audience
An audience a platform builds to resemble an existing customer list.
People who look like your existing customers.
What It Is
Lookalike Audience sits on the Marketing side of the work, in the Paid area. The canonical meaning is an audience a platform builds to resemble an existing customer list.
It is a label with a settled working definition, so the value is in using it the same way every time. That is the version worth keeping, because it survives contact with a real project.
How It's Used
Lookalike Audience earns its keep in campaign planning, channel choices and the reporting that follows them. It normally appears alongside Custom Audience, Audience Targeting and Segmentation. The practical test is whether everyone in the room means the same thing by it.
Why It Matters
The cost of being vague about Lookalike Audience shows up later, not today. When it is unclear, spend keeps moving but nobody can say what it bought. Clarity here removes a surprising amount of downstream argument.
Picture a word everyone in the room has agreed to use the same way. People who look like your existing customers.
Termshift™
How the meaning shifts depending on who is using it, and where.
Professionally, Lookalike Audience carries the narrow meaning: an audience a platform builds to resemble an existing customer list.
Explained to someone with no marketing background, Lookalike Audience is people who look like your existing customers.
The Bottom Line
Treat Lookalike Audience as a decision, not a description. People who look like your existing customers.