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  1. INDEX Definition & Meaning - Merriam-Webster

    The meaning of INDEX is a list (as of bibliographical information or citations to a body of literature) arranged usually in alphabetical order of some specified datum (such as author, subject, or …

  2. Examples of 'INDEX' in a Sentence | Merriam-Webster

    Apr 10, 2024 · Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'index.' Any opinions expressed in the examples …

  3. INDICES Definition & Meaning - Merriam-Webster

    4 days ago · The meaning of INDICES is plural of index.

  4. INDEX Synonyms: 30 Similar and Opposite Words - Merriam …

    Synonyms for INDEX: indicator, needle, gauge, hand, pointer, dial, face, list; Antonyms of INDEX: delete

  5. HEAT INDEX Definition & Meaning - Merriam-Webster

    The heat index is defined as a function of temperature and relative humidity. The combination of the two results in an apparent temperature that gives an idea of what the hot and humid air …

  6. INDEX FOSSIL Definition & Meaning - Merriam-Webster

    Sep 19, 2017 · The meaning of INDEX FOSSIL is a fossil usually with a narrow time range and wide spatial distribution that is used in the identification of related geologic formations.

  7. INDEX FINGER Definition & Meaning - Merriam-Webster

    Jan 27, 2026 · The meaning of INDEX FINGER is the finger next to the thumb —called also forefinger.

  8. CONSUMER PRICE INDEX Definition & Meaning - Merriam-Webster

    Jan 29, 2026 · The meaning of CONSUMER PRICE INDEX is an index measuring the change in the cost of typical wage-earner purchases of goods and services expressed as a percentage …

  9. How Strong Is Your Vocabulary? - Word Game | Merriam-Webster

    Take our 10-question quiz to find out — and maybe learn some new words along the way.

  10. GLYCEMIC INDEX Definition & Meaning - Merriam-Webster

    Jan 21, 2026 · The meaning of GLYCEMIC INDEX is a measure of the rate at which ingested food causes the level of glucose in the blood to rise; also : a ranking of foods according to the …