Done without permission; not authorized.(adjective)
Lacking moral restraint; unrestrained.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "unlicensed" in a sentence
"However, wireless ISPs, especially ones like his, which operate in unlicensed spectrum, will be harmed by aspects of the legislation."
"Lop off the head (the topsites), and the body (the worldwide trade in unlicensed media) falls lifeless to the ground."
"So, while they're stomping on you for a minor offence, the long-term unlicensed get a virtual free kick."