Dictionary.com

simple interest

noun

interest payable only on the principal; interest that is not compounded.

QUIZZES

BECOME A PRO CHEF WITH THIS EXQUISITE CUISINE QUIZ!

Even if you can't be a professional chef, you can at least talk like one with this vocabulary quiz.
Question 1 of 9
You may have read the word "simmer" in a recipe or two, but what does it really mean?
To cook in water that begins cold and then reaches a boil.
To stew in a sauce for a long time.
To cook in water, just below boiling temperature.
TAKE THE QUIZ TO FIND OUT

Origin of simple interest

First recorded in 1790–1800

Words nearby simple interest

simple goiter, simple group, simple harmonic motion, simple-hearted, simple honors, simple interest, simple interval, simple joint, simple machine, Simple Mail Transfer Protocol, simple majority
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for simple interest

simple interest

noun

interest calculated or paid on the principal aloneCompare compound interest
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for simple interest

simple interest

Interest computed only on the original principal and not on the sum of the principal plus accrued interest. The amount of simple interest remains constant. Compare compound interest.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.