index 1 of 2

noun

ˈin-ˌdeks How to pronounce index (audio)
Definition of indexnext
as in indicator
an arrow-shaped piece on a dial or scale for registering information the index on the thermometer dropped below zero

Synonyms & Similar Words

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index

2 of 2

verb

as in to list
to put (someone or something) on a list indexed all the books in the library by category

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of index
Noun
Across the Nasdaq 100 universe, the index of large-cap tech companies Anthropic would join post-IPO, the average company trades at roughly 34 times trailing earnings and 25 times forward earnings. — Amanda Gerut, Fortune, 14 Aug. 2026 Many professional investors and funds closely track the index, either mimicking it or at least measuring their performance against it. — Stan Choe, Los Angeles Times, 14 Aug. 2026
Verb
The Social Security Administration calculates your retirement benefits by reviewing your lifetime earnings and indexing your highest 35 years of earnings to wage growth to produce an Average Indexed Monthly Earnings (AIME). — Brian Sloan, CNBC, 21 July 2026 The annual limits are indexed to inflation and will rise over time. — Daniel De Visé, USA Today, 6 July 2026 See All Example Sentences for index
Recent Examples of Synonyms for index
  1. indicator
  2. list
  3. needle
  4. record
  5. enter
  6. catalog
  7. file
Noun
  • As of Friday's close, the Index is 41% above Worth's favorite indicator, the 150-day moving average.
    — Michael Khouw, CNBC, 17 Aug. 2026
  • Track one leading indicator, one outcome indicator and one balancing indicator.
    — Thomas Lim, Forbes.com, 17 Aug. 2026
Definition of indicator
Verb
  • The five were transported to hospitals, and one initially listed as having life-threatening injuries has been upgraded to critical condition, county police said.
    — Patrick Whittle, Los Angeles Times, 15 Aug. 2026
  • One person, a 21-year-old man who was initially listed as having life-threatening injuries, was upgraded to critical condition, police said in a news release Saturday night.
    — Nadine El-Bawab, ABC News, 15 Aug. 2026
Definition of list
Noun
  • Considering its limited scope to start, this is unlikely to be an immediate needle-mover.
    — Kevin Stankiewicz,Jeff Marks, CNBC, 18 Aug. 2026
  • Fallen leaves, tree needles, bark, storing firewood and other combustible materials all must be removed from this area, according to a summary of the draft regulation.
    — Paris Barraza, USA Today, 17 Aug. 2026
Definition of needle
Verb
  • In June, one content creator recorded a relatively empty Disneyland while noting the absent daytime crowd.
    — Natasha Chen, CNN Money, 13 Aug. 2026
  • Some 1,017 wildfires have been recorded in England and Wales this year, according to data from the National Fire Chiefs Council, the same as last year’s record-breaking total.
    — ABC News, ABC News, 13 Aug. 2026
Definition of record
Verb
  • The club entered the window with an ambitious sales plan, most of which has not yet materialised.
    — James McNicholas, New York Times, 19 Aug. 2026
  • Anyone with a bedbug issue at their home is prohibited from entering any Ypsilanti District Library branch as a preventive measure.
    — Paula Wethington, CBS News, 19 Aug. 2026
Definition of enter
Verb
  • The same Nature Medicine atlas that catalogued those benefits also flagged elevated risks of pancreatitis, kidney complications and gastrointestinal problems.
    — Jesse M. Pines, Forbes.com, 10 Aug. 2026
  • Shuenemeyer regularly chats with other arborists from Maine to Washington, looking to identify and catalog historic varieties of apples.
    — Kevin Strong, CBS News, 10 Aug. 2026
Definition of catalog
Verb
  • The prosecution and defense have filed dueling documents focused on whether the crime included aggravating factors that would make Robinson eligible for the death penalty if convicted.
    — ABC News, ABC News, 19 Aug. 2026
  • Former Minneapolis police officer Derek Chauvin is once again seeking to overturn his state murder conviction in the 2020 killing of George Floyd, according to court documents filed Tuesday.
    — Riley Moser, CBS News, 19 Aug. 2026
Definition of file

Browse Nearby Words

indeterminations
index
indexed
See all Nearby Words

Cite this Entry

“Index.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/index. Accessed 20 Aug. 2026.

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More from Merriam-Webster on index

Nglish: Translation of index for Spanish Speakers

Britannica.com: Encyclopedia article about index

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