trickle-down adjective 3trickle down verb 1forms 3 adjective3 •That flows, especially in limited quantity, from the highly placed to others.His name is Harry E Thompson and his Trickle-Down solar heating system is the basis for this book. — 2007 •Describing the theory that financial benefits given to the wealthy will somehow be passed down to the poor.On the surface, the Kuznets curve seems to justify laissez-faire economics and trickle-down policies. — 2012 •Describing a model of product adoption that flows vertically from the upper classes to the lower classes within society. trickle down verb1 •To pass from high-ranked people to lower-ranked peopleThe CEO's benefits are unlikely to trickle down to the factory workers. formstrickled down · trickling down · trickles down