- Lacking authenticity or validity in essence or origin; not genuine; false. (adjective)
- Of illegitimate birth. (adjective)
- Botany Similar in appearance but unlike in structure or function. Used of plant parts. (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.