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
Daniels was back in Memorial Stadium on a sweltering Friday night — the heat index was 102 degrees Fahrenheit (39 degrees Celsius) at kickoff — after having won the backup job to Baker Mayfield with the Tampa Bay Buccaneers. — ABC News, 5 Sep. 2026 If one dominant, highly authoritative article (like a TechRadar review) appears at the top of the search index, my system treats it as the safest, most reliable anchor. — New Atlas, 4 Sep. 2026
Verb
OpenAI faced a similar controversy last year when Google indexed shared user chats on ChatGPT that had been created with the public link function. — Michael Kan, PC Magazine, 28 July 2026 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 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
  • Kristian Kerr, head of macro strategy for LPL Financial, pointed to the spread between French and German 10-year yields as a key indicator, with 90 basis points historically serving as a ceiling during times of fiscal stress.
    — Jason Ma, Fortune, 5 Sep. 2026
  • Decide for yourself whether that’s a bold indicator of English football’s superiority over the rest of the world, or a revolting symbol of the bloated and vulgar behemoth that the game has become.
    — Nick Miller, New York Times, 4 Sep. 2026
Definition of indicator
Verb
  • Noah Grubbs and Teddy Jarrard, both 2026 signees, are listed as co-No.
    — Antonio Morales, New York Times, 11 Sep. 2026
  • Bella said legitimate resources are listed on the county’s EMA Facebook page and the left side of the county’s homepage.
    — Shelley Jones, Chicago Tribune, 11 Sep. 2026
Definition of list
Noun
  • The population of right-handed centres who could be available and move the needle as outscorers is very small.
    — Allan Mitchell, New York Times, 9 Sep. 2026
  • The robot must then navigate through dense crops, avoid branches and leaves, and locate the needle-sized stigma with enough precision to complete pollination.
    — Jijo Malayil, Interesting Engineering, 9 Sep. 2026
Definition of needle
Verb
  • Between 2021 and 2025, the country recorded just 100 to 300 cases per year, down from 2,410 cases in 2020.
    — JULHAS ALAM, Arkansas Online, 10 Sep. 2026
  • Before missing the final 13 games last year, Nabers had recorded 18 catches for 271 yards and two touchdowns in four games.
    — Charlotte Carroll, New York Times, 9 Sep. 2026
Definition of record
Verb
  • Career rushing yards • Ravens running back Derrick Henry entered the top-10 on the career rushing list last season.
    — Saad Yousuf, New York Times, 9 Sep. 2026
  • Both rebounded last week with wins, but only one will enter conference play with a winning record.
    — Arkansas Online, Arkansas Online, 9 Sep. 2026
Definition of enter
Verb
  • Fort Lauderdale police told the Herald that their 88-camera network has already catalogued over 174 million vehicles, roughly 1,000 times the city’s population.
    — Devoun Cetoute, Miami Herald, 5 Sep. 2026
  • The search for Earth twins Since the 1990s, scientists have cataloged more than 6,300 worlds orbiting stars other than our sun.
    — Noah Haggerty, Los Angeles Times, 28 Aug. 2026
Definition of catalog
Verb
  • The issue will be on the ballot if a petition filed with the city clerk is signed by 15% of qualified electors.
    — Arkansas Online, Arkansas Online, 9 Sep. 2026
  • Justice Yechiel Kasher said the case was filed too late, a week before the voter registry was due to be finalized, and that the petitioners had not first used the statutory appeals process available to challenge their registration status.
    — Deborah Danan, Sun Sentinel, 8 Sep. 2026
Definition of file

Browse Nearby Words

indeterminations
index
indexed
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Cite this Entry

“Index.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/index. Accessed 15 Sep. 2026.

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Britannica.com: Encyclopedia article about index

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