Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "knock-off" in a sentence
"On other commercial issues, the U.S. is pressing China to provide a specific plan for how government agencies and state-owned businesses will buy legitimate software, not knock-off versions."
"Overall, The Listener has its moments, but it needs to rise above the formulaic procedural stories to become anything more than a derivative television knock-off."
"He then graduated from this to the Lincoln Newspaper Syndicate working on knock-off comic strips."