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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 200-day average for the index, an important technical indicator for the market, currently stands around 6617, according to the co-founder and head of research at Fundstrat.

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

The index was up 5% year over year in March, the highest level since May 2023.

From Barron's • Apr. 8, 2026

Our accounts are invested in low-cost Vanguard index funds.

From MarketWatch • Apr. 8, 2026

And even though Axel is getting used to the mystery of Frank being gone, his heart quivers now the same as it had the day he found the index card listing all those promises.

From "A Bird Will Soar" by Alison Green Myers