from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Software that secretly gathers information about a person or organization.
  • noun Any malicious software that is designed to take partial or full control of a computer's operation without the knowledge of its user.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Internet programs that surreptitiously monitor and report the actions of a computer user.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun computer software that obtains information from a user's computer without the user's knowledge or consent


from Wiktionary, Creative Commons Attribution/Share-Alike License

From spy +‎ -ware


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