victimless crime is a noun meaning "an act that is legally a crime but that seem to have no victims". It carries one recorded sense.
an act that is legally a crime but that seem to have no victims
“he considers prostitution to be a victimless crime”
Definitions, synonyms and semantic relations for victimless crime come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.