Fail-safe and Tested

Fail-safe adjective - Not likely to fail.

Tested and fail-safe are semantically related. In some cases you can use "Tested" instead an adjective phrase "Fail-safe".

Tested adjective - Tested and proved to be reliable.

Fail-safe and tested are semantically related. You can use "Fail-safe" instead an adjective "Tested".

Nearby Words: test, testing, tester, testable, testability