Effective and Unfailing

Effective adjective - Producing or capable of producing a desired result.

Unfailing and effective are semantically related. In some cases you can use "Unfailing" instead an adjective "Effective".

Nearby Words: effect, effectual, effectiveness, effected, effectively

Unfailing adjective - Not being or likely to be wrong.

Effective and unfailing are semantically related. Sometimes you can use "Effective" instead an adjective "Unfailing".

Nearby Word: unfailingly