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Definitions

index

[in-deks] / ˈɪn dɛks /
NOUN
indication
Synonyms
STRONGEST
indicator ratio
STRONG
basis clue evidence formula guide hand indicant indication mark model needle pointer rule sign symbol symptom token
WEAK
indicia significant
VERB
arrange, order
Synonyms
STRONG
alphabetize catalogue docket file list record tabulate
Antonyms
WEAK
disarrange disorder disorganize

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The S&P 500 is set to rally while the VIX index falls.

From Barron's • Apr. 8, 2026

The Fed’s favored inflation measure, the personal consumption expenditure price index, will be released on Thursday, but that covers February, and so won’t capture most of the oil price rise.

From MarketWatch • Apr. 8, 2026

The DXY dollar index fell 1% to 98.86, having hit a one-month low of 98.685 earlier on optimism about peace in the Middle East following the announcement of the two-week cease-fire.

From The Wall Street Journal • Apr. 8, 2026

APA was one of the biggest decliners in the benchmark index, down 11%.

From Barron's • Apr. 8, 2026

Kendra said, putting her index finger to her lips.

From "Scream for Ice Cream: Nancy Drew and the Clue Crew, #2" by Carolyn Keene