noun
profiler
noun
1
A person, often working with police, who builds a psychological picture of an unknown suspect.
"The FBI profiler predicted the killer would be local and organized."
2
A software tool that measures how a computer program performs to find slow or inefficient parts.
"The developer ran a profiler to see which function was slowing the app down."
How to Use Profiler
Learner’s notesIn plain EnglishSomething or someone that builds a detailed profile — of a criminal, or of a piece of software.
Common pairings
criminal profiler
run a profiler
performance profiler
Word Forms
profilers plural
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The FBI _____ predicted the killer would be local and organized.
Etymology
From "profile" plus the agent suffix "-er."