We found 4 dictionaries that define the word simple interests:

General (3 matching dictionaries)

1. simple interests: Merriam-Webster
2. simple interests: Collins English Dictionary
3. simple interests: Vocabulary.com

Business (1 matching dictionary)

4. simple interests: Merriam-Webster Legal Dictionary

(Note: See simple_interest as well.)

Definitions from Wiktionary (simple interest) ▸ noun:  (finance) interest paid only on the principal. ▸ Also see simple_interest ▸ Words similar to simple interests ▸ Usage examples for simple interests ▸ Idioms related to simple interests ▸ Wikipedia articles (New!) ▸ Words that often appear near simple interests ▸ Rhymes of simple interests ▸ Invented words related to simple interests