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
This week, Indonesian equities experienced another round of panic selling, triggered by reports that major index provider MSCI is considering downgrading the country's stock market status. — CNBC, 23 Oct. 2026 One strange index of these powers can be registered by counting the mineral diversity on planet Earth. — Literary Hub, 23 Oct. 2026
Verb
Households with the highest incomes would see the greatest benefit from indexing capital gains to inflation. — Darla Mercado, Cfp®, CNBC, 15 Sep. 2026 Interestingly, IDScan’s breach notification page doesn’t appear in major search results because the company added code to the site to prevent web crawlers from indexing it. — Michael Kan, PC Magazine, 10 Sep. 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
  • And there's a very civilized rear brake light and indicator setup to boot.
    — Loz Blain October 26, New Atlas, 27 Oct. 2026
  • Pennsylvania voters are often an indicator of how the country will swing overall, and because the state is on the East Coast, Fitzpatrick's district is one to watch as returns come in.
    — Justin Papp, CNBC, 26 Oct. 2026
Definition of indicator
Verb
  • Cleveland Clinic lists a long slate of possible benefits ranging from lower blood pressure and improved oxygen levels to reduced snoring, better dry mouth and improved bad breath.
    — Samantha Agate, Charlotte Observer, 24 Oct. 2026
  • In its November issue, Food & Wine magazine lists Francesco Martucci in Wynwood as one of the 27 Best Pizzas in America.
    — Connie Ogle, Miami Herald, 24 Oct. 2026
Definition of list
Noun
  • Naturally, the team now wants to unravel how the neurons are signaling and processing feedback across these connected machines, and also see if adding more connections could shift the needle even further in the right direction.
    — New Atlas, New Atlas, 27 Oct. 2026
  • Appointments typically start with a consultation and a review of TMJ history, followed by cleaning the jawline, mapping injection points with a white eyeliner pencil and placing botulinum toxin into the muscle with very thin needles.
    — Hanna Wickes, Charlotte Observer, 26 Oct. 2026
Definition of needle
Verb
  • Research partners recorded the various sounds that drones make when their propellers get chipped or cracked or their motor becomes damaged or begins to fail.
    — Prabhat Ranjan Mishra, Interesting Engineering, 26 Oct. 2026
  • The practice involves writing down your intrusive thoughts and fears, and even recording yourself talking about them, and playing that recording back to yourself.
    — Ava Kofman, New Yorker, 25 Oct. 2026
Definition of record
Verb
  • But students in more affluent schools, where Asian American students are concentrated, must perform better on the standardized exam to enter the lottery.
    — Arkansas Online, Arkansas Online, 21 Oct. 2026
  • However, certification does not mean the aircraft has entered commercial service.
    — Neetika Walter, Interesting Engineering, 21 Oct. 2026
Definition of enter
Verb
  • Foster estimates that cataloguing the next five decades of Rauschenberg’s output will take some twenty years.
    — News Desk, Artforum, 22 Oct. 2026
  • In the last 3 years alone, 145,000 new items have been cataloged and stored in the property room.
    — J.D. Miles, CBS News, 20 Oct. 2026
Definition of catalog
Verb
  • Three outside law professors who reviewed the materials at the request of The Post said West Point's actions appear to violate the order issued by Judge Cathy Seibel in September that ended a lawsuit filed by a civilian professor at the academy.
    — Arkansas Online, Arkansas Online, 27 Oct. 2026
  • Joao Pedro Padua, a law professor at the Fluminense Federal University, said that Bolsonaro can file a lawsuit directly with the country’s electoral authorities or the Supreme Court, asking for the elections to be declared null and void.
    — ELÉONORE HUGHES, Fortune, 26 Oct. 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 27 Oct. 2026.

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