A crime so ingeniously contrived and carefully executed that it cannot be detected or solved.
the murder has the hallmarks of the perfect crime—no witnesses, no motive, no evidence
Example sentencesExamples
Her action has led to the arrest of the partner and her son, who believed they had executed a perfect crime.
After 28 years, several different murder teams and thousands of man-hours, they finally got their man - a man who detectives say thought he had committed the perfect crime.
A gang of misfits are rounded up to commit the perfect crime, but the bungling burglars bite off more than they can chew in this screwball comedy.
It was the perfect crime, but a crime nonetheless.
The case involved two intelligent, young men who conspired and conducted a kidnap-murder scheme as part of an elaborate game to commit and get away with the perfect crime.
Definition of perfect crime in US English:
perfect crime
noun
A crime so ingeniously contrived and carefully executed that it cannot be detected or solved.
the murder has the hallmarks of the perfect crime—no witnesses, no motive, no evidence
Example sentencesExamples
The case involved two intelligent, young men who conspired and conducted a kidnap-murder scheme as part of an elaborate game to commit and get away with the perfect crime.
After 28 years, several different murder teams and thousands of man-hours, they finally got their man - a man who detectives say thought he had committed the perfect crime.
A gang of misfits are rounded up to commit the perfect crime, but the bungling burglars bite off more than they can chew in this screwball comedy.
It was the perfect crime, but a crime nonetheless.
Her action has led to the arrest of the partner and her son, who believed they had executed a perfect crime.