From Longman Dictionary of Contemporary Englishcopycatcop‧y‧cat1 /ˈkɒpikæt $ ˈkɑː-/ noun [countable] IMITATEINSULT informal someone who copies other people’s clothes, behaviour, work etc – used by children to show disapprovalcopycatcopycat2 adjective → copycat crime/attack etc
Examples from the Corpus
copycat• What about fingerprints, copycat crimes and serial murders?• There were no copycat incidents, and Trondheim is again proud of its crime record.• Several copycat versions of the thigh cream appeared almost immediately, such as Skinny Dip.From Longman Business Dictionarycopycatcop‧y‧cat /ˈkɒpikætˈkɑː-/ adjective [only before a noun] copied from someone else’s product, design etca copycat version of a successful productForeign companies are able to make copycat drugs at a fraction of the cost. 