tested and found to be reliable or workable.
Origin of tried-and-true
First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for tried and truetime-tested, proven, demonstrable, dependable, proved, reliable, reputable, tested, tried, trustworthy
tried and true
Tested and proved to be worthy or reliable, as in Let me deal with it—my method is tried and true. [Mid-1900s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.