- Subject matter is what something is about.
An example of subject matter is a paper written about dogs.
subject matter definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the thing or things considered in a book, course of instruction, discussion, etc.
subject matter definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Matter under consideration in a written work or speech; a theme.
subject matter - Legal Definition
Whatever is in dispute; the actual cause of the law suit; the issue about which a right or obligation has been asserted or denied.