(noun, verb)


1. a numerical scale used to compare variables with one another or with some reference number

Definition categories: link, scale

2. a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time

Similar word(s): indicant, indicator

Definition categories: communication, fact

3. a mathematical notation indicating the number of times a quantity is multiplied by itself

Similar word(s): exponent, power

Definition categories: communication

4. an alphabetical listing of names and topics along with page numbers where they are discussed

Definition categories: communication, list, listing

5. the finger next to the thumb

Similar word(s): forefinger

Definition categories: body, finger

Sentences with index as a noun:

- The index of a book lists words or expressions and the pages of the book upon which they are to be found.


1. list in an index

Definition categories: social, list

2. provide with an index

- index the book

Definition categories: possession, furnish, provide, render, supply

3. adjust through indexation

- The government indexes wages and prices

Definition categories: cognition, determine, influence, mold, regulate, shape