Define impactful. impactful synonyms, impactful pronunciation, impactful translation, English dictionary definition of impactful. adj. Usage Problem Having a significant or powerful effect. Usage Note: The word impactful rankles many people. Even though
Synonyms * effectual, impactive Derived terms * impactfully * impactfulness References * *Historical usage frequency at Google books influence English (wikipedia influence) Noun The power to affect, control or manipulate something or someone; the ability to change the development of fluctuating things ...