- The producer of an effect, result, or consequence. (noun)
- The one, such as a person, event, or condition, that is responsible for an action or result. (noun)
- A basis for an action or response; a reason: The doctor's report gave no cause for alarm. (noun)
- A goal or principle served with dedication and zeal: "the cause of freedom versus tyranny” ( Hannah Arendt). (noun)
- The interests of a person or group engaged in a struggle: "The cause of America is in great measure the cause of all mankind” ( Thomas Paine). (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.