bottom-up
Americanadjective
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of, relating to, or originating with the common people, nonprofessionals, or the lower ranks of an organization.
The five-day workweek was a bottom-up movement that business leaders and politicians finally supported.
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organized or proceeding from smaller, more detailed units to the larger, more general structure.
His bottom-up approach to research involves immersing himself in communities to better understand the lives of local entrepreneurs.
adjective
Etymology
Origin of bottom-up
First recorded in 1930–35 as an adjective and in 1890–95 as an adverb, both deriving from the phrase “from the bottom up ”
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Since the start of the third quarter, the bottom-up consensus estimate for S&P 500 companies’ earnings-per-share has climbed 1%, with upward revisions to most sectors, according to analysts at Goldman Sachs.
From The Wall Street Journal ● Aug. 9, 2026
Think of it more as an inversion, with a bottom-up view of its heroine Emma Harte’s life viewed through parallel timelines.
From Salon ● Jul. 19, 2026
Tuchel's top-down approach differed greatly from Southgate's bottom-up approach, which partly explains Tuchel feeling Southgate's side lacked identity, clarity, rhythm or repeated patterns.
From BBC ● Jul. 16, 2026
This time, the opposite happened: the bottom-up S&P 500 earnings estimate rose 3.4% from March 31 through June 30, according to FactSet data.
From MarketWatch ● Jul. 10, 2026
Here, it is possible to see the way in which our devices play so beautifully to our two basic attention systems: top- down and bottom-up.
From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.