hard-hitting vs efficacious

hard-hitting and efficacious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hard-hitting	No	Yes	No	No
efficacious	No	Yes	No	No

hard-hitting (adjective)	efficacious (adjective)
aggressively and persistently persuasive	marked by qualities giving the power to produce an intended effect
characterized by or full of force and vigor	producing or capable of producing an intended result or having a striking effect