A “Fruit” Reflects Upon What It Means to Be “Fruitful” What does all of this really mean in our day-to-day lives and our life together as Church? Define fruitful. fruitful synonyms, fruitful pronunciation, fruitful translation, English fruitful. (ˈfruːtfʊl). adj. 1. bearing fruit in abundance. 2. productive or prolific, .. whose feet press down to the centre, and whose head strikes against the sun;. The definition of fruitful is a fertile person with many children, or a plant that produces a lot of fruit, or something productive or effective. An example of a fruitful Missing: press.