See more synonyms for greenie on
  1. Slang. an amphetamine pill, especially one that is green in color.
  2. Australian Slang. a conservationist or environmentalist, especially one who participates in protest demonstrations.

Origin of greenie

1945–50, for def 1; green + -ie Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for greenie

Historical Examples of greenie

British Dictionary definitions for greenie


  1. Australian informal a conservationist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

greenie in Medicine


  1. An amphetamine pill that is green in color.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.