Definition of "nonuser" [non•us•er]

• One who refrains from the use of something, as of narcotic drugs or alcohol. (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.

• "We may have here not only a "healthy user " effect but an "unhealthy nonuser effect" which is one of the problems of working with "coarse grained data"."
• "So you can't run a comparison like tobacco and lung cancer, the user and the nonuser."
• "Every computer user and nonuser has the divine spirit within."