marginal

adjective

mar·​gin·​al ˈmärj-nəl 

ˈmär-jə-nᵊl

1

: written or printed in the margin of a page or sheet

marginal notes

2

a

: of, relating to, or situated at a margin or border

b

: not of central importance

regards violence as a marginal rather than a central problem

also : limited in extent, significance, or stature

had only marginal success with the business

c(1)

: occupying the borderland of a relatively stable territorial or cultural area

marginal tribes

(2)

: characterized by the incorporation of habits and values from two divergent (see divergent sense 1) cultures and by incomplete assimilation (see assimilate entry 1 sense 2a) in either

the marginal cultural habits of new immigrant groups

(3)

: excluded from or existing outside the mainstream of society, a group, or a school of thought

marginal voters

3

: located at the fringe of consciousness

marginal sensations

4

a

: close to the lower limit of qualification, acceptability, or function : barely exceeding the minimum requirements

a semiliterate person of marginal ability

b(1)

: having a character or capacity fitted to yield a supply of goods which when marketed at existing price levels will barely cover the cost of production

marginal land

(2)

: of, relating to, or derived from goods produced and marketed with such result

marginal profits

5

: relating to or being a function of a random variable that is obtained from a function of several random variables by integrating or summing over all possible values of the other variables

a marginal probability function

marginality

ˌmär-jə-ˈna-lə-tē 

noun

marginally

ˈmärj-nə-lē 

ˈmär-jə-nᵊl-ē

adverb

Synonyms

• borderline
• frontier

Examples of marginal in a Sentence

There has been only a marginal improvement in her condition.

His reading and writing abilities are marginal.

Recent Examples on the Web

Individual tax rates are set to tick up Several marginal income tax rates are set to increase in 2026 in what would be the most noticeable single aspect of the TCJA expirations. —Tobias Burns, The Hill, 4 Dec. 2024

The downside to a larger bill encompassing both tax cuts and other Trump campaign promises is that the more contentious issues, such as immigration policy, can require difficult votes for marginal members from districts where the policy may not be popular, and derail a broader bill. —Eric Rosenbaum, CNBC, 4 Dec. 2024

Reuters reported that the waters around Taiwan are busier than usual, with around 40 Chinese ships present, including a naval group led by the Liaoning in the East China Sea, a marginal sea of the Western Pacific Ocean north of Taiwan. —Josh Hammer, Newsweek, 3 Dec. 2024

Tax negotiations could deliver surprises The Tax Cuts and Jobs Act of 2017, which was enacted during president-elect Trump’s first term, is destined to expire at the end of 2025, which would bring back prior rules and generally higher marginal tax rates for individuals. —Russ Wiles, The Arizona Republic, 1 Dec. 2024

Word History

Etymology

Medieval Latin marginalis, from Latin margin-, margo

First Known Use

1573, in the meaning defined at sense 1

Phrases Containing marginal

• marginal utility

Kids Definition

marginal

adjective

mar·​gin·​al ˈmärj-nəl 

-ən-ᵊl

1

: written or printed in the margin

marginal notes

2

: of, relating to, or situated at a margin or border

3

: close to the lower limit of quality

marginal ability

marginal land

marginally

-nə-lē 

-ən-ᵊl-ē

adverb

Medical Definition

marginal

adjective

mar·​gin·​al ˈmärj-nəl, -ən-ᵊl 

1

: of, relating to, or situated at a margin or border

2

: located at the fringe of consciousness

marginal sensations