extraneous

adjective

ex·​tra·​ne·​ous ek-ˈstrā-nē-əs 

1

: existing on or coming from the outside

extraneous light

2

a

: not forming an essential or vital part

extraneous ornamentation

b

: having no relevance

an extraneous digression

3

: being a number obtained in solving an equation that is not a solution of the equation

extraneous roots

extraneously adverb

extraneousness noun

Did you know?

We’d hate to be extra, so we won’t weigh you down with a lot of extraneous information about the word extraneous. Instead, we’ll tell you that it has been a part of the English language since at least the mid-1600s, and that it comes from the Latin word extrāneus, which means “not belonging to one’s family or household; external.” Extrāneus—a combination of the Latin adverb/preposition extrā  (“outside” or “beyond”) and adjective suffix -āneus—is also the root of the English words strange and estrange; its influence is even more obvious in the Spanish adjective extraño, meaning “strange.” The “outside/beyond” senses of extrā are also evident in non-extraneous English words like extraterrestrial, which refers to a creature originating from “outside” planet Earth, and extrajudicial, which describes something “beyond” what is allowed by a court.

Synonyms

• accidental
• adventitious
• alien
• external
• extrinsic
• foreign
• supervenient

Choose the Right Synonym for extraneous

extrinsic, extraneous, foreign, alien mean external to a thing, its essential nature, or its original character.

extrinsic applies to what is distinctly outside the thing in question or is not contained in or derived from its essential nature.

sentimental value that is extrinsic to the house's market value

extraneous applies to what is on or comes from the outside and may or may not be capable of becoming an essential part.

arguments extraneous to the issue

foreign applies to what is so different as to be rejected or repelled or to be incapable of becoming assimilated.

techniques foreign to French cuisine

alien is stronger than foreign in suggesting opposition, repugnance, or irreconcilability.

a practice totally alien to her nature

Examples of extraneous in a Sentence

Obviously, some degree of packaging is necessary to transport and protect the products we need, but all too often manufacturers add extraneous wrappers over wrappers and layers of unnecessary plastic. —Al Gore, An Inconvenient Truth, 2006

Industry sages argue that lump charcoal is poised for a back-to-the-future resurgence. They say that a new generation of consumers—aware that most briquettes are shot through with all manner of extraneous materials, from fillers of pulverized limestone to binders of sugarcane bagasse and ignition catalysts of sodium nitrate—are willing to pay the two-buck-a-bag premium for true lump, which, compared to traditional briquettes, lights quicker, burns hotter, and throws off no chemical residue. —John T. Edge, Gourmet, June 2003

The summer concert season is at hand, which means lots of warm nights wishing the guy in the row behind you would bogart that joint instead of blowing smoke into your hair, and lots of days spent wondering just how many extraneous … charges one ticket can possibly have added on. —Entertainment Weekly, 18 May 2001

She sped up the process by eliminating all extraneous steps.

the architect's streamlined modern style shuns any sort of extraneous ornamentation

Recent Examples on the Web

After a rather extraneous earthquake conversation, I was informed that a major pain point for earthquake survivors is being able to get in and out of their rooms. —Meredith Woerner, Variety, 5 Apr. 2024

In contrast, an electron-positron collision consumes the colliding particles’ full energy and produces no extraneous sprays, so physicists often use an e+e- collider to scrutinize the new particles discovered at a hadron collider. —Byadrian Cho, science.org, 28 Mar. 2024

Using a lot of Logic's excellent instrument patches results in a cluttered project full of extraneous aux buses. —PCMAG, 22 Mar. 2024

In a news release Thursday, the FCC said total costs include extraneous fees that can often unexpectedly accumulate for users. —Anthony Robledo, USA TODAY, 16 Mar. 2024

New rules for cable and satellite-TV providers means the companies need to clearly show total costs for video subscriptions, including extraneous fees that can add up to triple digits a year, the Federal Communications Commission announced on Thursday. —Kate Gibson, CBS News, 14 Mar. 2024

The in memoriam sequence was, as is most often the case, marred by the extraneous performance — string players, interpretive dancers, the white-jacketed Oscars orchestra — that got in its way. —Robert Lloyd, Los Angeles Times, 11 Mar. 2024

Stapleton’s blues-rocking country songs are expertly constructed to achieve maximum emotional impact without a single extraneous lyric or gesture. —George Varga, San Diego Union-Tribune, 3 Mar. 2024

The one element that feels borderline extraneous — though still quite entertaining — is a story related by a chirpy doctor (Anne Marie Ottersen). —David Rooney, The Hollywood Reporter, 19 Feb. 2024

Word History

Etymology

Latin extrāneus "not belonging to one's family or household, coming from abroad, foreign, external" + -ous — more at strange entry 1

First Known Use

1638, in the meaning defined at sense 1

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Kids Definition

extraneous

adjective

ex·​tra·​ne·​ous ek-ˈstrā-nē-əs 

1

: not forming a necessary part

2

: irrelevant

extraneously adverb

extraneousness noun