Constant and Fail-safe

Constant adjective - Not undergoing a change in condition.

Fail-safe and constant are semantically related. In some cases you can use "Fail-safe" instead an adjective "Constant".

Nearby Words: consistent, constantly, constancy, Constance, Constanta

Fail-safe adjective - Not likely to fail.

Constant and fail-safe are semantically related. Sometimes you can use "Constant" instead an adjective phrase "Fail-safe".