drive something down

== English == === Alternative forms === drive something down drive it down === Verb === drive down (third-person singular simple present drives down, present participle driving down, simple past drove down, past participle driven down) (informal, idiomatic) To cause or force a price, quantity, rate, etc. to decrease. Antonym: drive up (informal, idiomatic) To drive to a location that is south of one's current location.