marginal
Americanadjective
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pertaining to a margin.
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situated on the border or edge.
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at the outer or lower limits; minimal for requirements; almost insufficient.
marginal subsistence;
marginal ability.
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written or printed in the margin of a page.
a marginal note.
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of minor importance, significance, relevance, or effect: Grids using even larger voltages are now being constructed, but will probably make only a marginal improvement in costs.
Ethics is not a marginal issue, as it is the basis for the movement and progress of society.
Grids using even larger voltages are now being constructed, but will probably make only a marginal improvement in costs.
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Sociology.
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marked by contact with disparate cultures, and acquiring some but not all the traits or values common to any one of them.
The “marginal man” is one who is poised in psychological uncertainty between two or more worlds.
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isolated from and not fully accepted by the dominant society or culture, and as a consequence, frequently disadvantaged.
An overarching desire exists to foster social inclusion of all marginal groups, including people with a mental illness.
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existing outside of the mainstream; unconventional.
We hope the site is a place to enliven our own sometimes-isolated work in these marginal art forms.
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Economics.
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selling goods at a price that just equals the additional cost of producing the last unit supplied.
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of or relating to goods produced and marketed at margin.
marginal profits.
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adjective
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of, in, on, or constituting a margin
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close to a limit, esp a lower limit
marginal legal ability
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not considered central or important; insignificant, minor, small
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economics relating to goods or services produced and sold at the margin of profitability
marginal cost
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politics of or designating a constituency in which elections tend to be won by small margins
a marginal seat
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designating agricultural land on the margin of cultivated zones
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economics relating to a small change in something, such as total cost, revenue, or consumer satisfaction
noun
Other Word Forms
Etymology
Origin of marginal
First recorded in 1570–80; from Medieval Latin marginālis “of or pertaining to an edge”; see margin, -al 1
Explanation
Use the word marginal when something is minimal or barely enough. If you buy lemons and sugar, make lemonade and set up a stand on the street corner, but sell only a couple of glasses, your profits will be marginal. Some claim that greenhouse gases have a marginal effect on the environment while others think that they are changing the world drastically. Your parents hope to see more than a marginal improvement in your grades! These are the figurative uses for marginal, which comes from the Latin word margo "edge." Literally, the word is used with things on a border. When you scribble words in the blank edges of your textbook pages, those notes are marginal.
Vocabulary lists containing marginal
The Other Wes Moore
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Economics
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"The Men We Carry in Our Minds," Vocabulary from the essay
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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.
If my marginal tax rate is likely to be about the same whether I convert now or pay the tax later, is there a meaningful advantage to doing Roth conversions in my situation?
From MarketWatch ● Aug. 15, 2026
Such has been the rise of artificial intelligence in everyday life, even Premier League managers are now beginning to dabble in it for those marginal gains.
From BBC ● Aug. 11, 2026
His involvement in the federal conspiracy case, as he tells it, was marginal.
From Los Angeles Times ● Aug. 3, 2026
“Bottom line is that without a meaningful rebound, systematic investors could quickly become the market’s next marginal seller,” they added.
From MarketWatch ● Jul. 31, 2026
The central players in the drama were not the marginal or peripheral figures, whose lives are more typical, but rather the political leaders at the center of the national story who wielded power.
From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis
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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.