Definition of "look-alike" []

• One that closely resembles another; a double. (noun)

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.

• "After a while, algorithms could mine those portraits for patterns for so-called look-alike models: What traits predicted whether someone was a likely donor to an environmental cause?"
• "2. Henry Hub Natural Gas Last Day HH: Also known as the look-alike last day financial futures, these contracts represent 10,000 mmBtu and the futures settle on the last trading day for each contract month."
• "Don't see how a Nerf gun could be considered a look-alike weapon."