Definition of "extraneous" []

• Not constituting a vital element or part. (adjective)
• Inessential or unrelated to the topic or matter at hand; irrelevant. See Synonyms at irrelevant. (adjective)
• Coming from the outside: extraneous interference. (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.

• "But as far as an "emergency fund," which I define as extraneous and unexpected expenses hospital bill, car wreck, etc."
• "The other thing to be aware of when looking at fonts is what I call extraneous fonts."
• "This book also they call extraneous, which some of the Jews prohibit to be read."