use-icon

HOW TO USE THE DICTIONARY

To look up an entry in The American Heritage Dictionary of the English Language, use the search window above. For best results, after typing in the word, click on the “Search” button instead of using the “enter” key.

Some compound words (like bus rapid transit, dog whistle, or identity theft) don’t appear on the drop-down list when you type them in the search bar. For best results with compound words, place a quotation mark before the compound word in the search window.

guide to the dictionary

use-icon

THE USAGE PANEL

The Usage Panel is a group of nearly 200 prominent scholars, creative writers, journalists, diplomats, and others in occupations requiring mastery of language. Annual surveys have gauged the acceptability of particular usages and grammatical constructions.

The Panelists

open-icon

AMERICAN HERITAGE DICTIONARY APP

The new American Heritage Dictionary app is now available for iOS and Android.

scroll-icon

THE AMERICAN HERITAGE DICTIONARY BLOG

The articles in our blog examine new words, revised definitions, interesting images from the fifth edition, discussions of usage, and more.

100-words-icon

See word lists from the best-selling 100 Words Series!

Find out more!

open-icon

INTERESTED IN DICTIONARIES?

Check out the Dictionary Society of North America at http://www.dictionarysociety.com

Mil·ler (mĭlər), Arthur Asher 1915-2005.
Share:
American playwright whose works include Death of a Salesman (1949), for which he won a Pulitzer Prize, and The Crucible (1953).
(click for a larger image)
Arthur Miller
photographed c. 2001

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
mill·er (mĭlər)
Share:
n.
1. One who works in, operates, or owns a mill, especially a grain mill.
2. A milling machine.
3. Any of various moths whose wings and bodies have a powdery appearance.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
Miller, William 1782-1849.
Share:
American religious leader who preached that Christ's Second Coming would take place in 1843. Miller's followers later organized the Advent Christian Church (1860).

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
Miller, Joaquin Pseudonym of Cincinnatus Hiner Miller. 1837-1913.
Share:
American poet whose work is based on his adventures in the West. His collections include Specimens (1868) and Joaquin et al. (1869).

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
Miller, Henry Valentine 1891-1980.
Share:
American writer whose novels Tropic of Cancer (1934) and Tropic of Capricorn (1939) were banned in the United States because of their sexual content.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
Miller, (Alton) Glenn 1904-1944.
Share:
American bandleader and composer whose orchestra was one of the most popular groups of the big-band era.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 

Indo-European & Semitic Roots Appendices

    Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

    Indo-European Roots

    Semitic Roots

    The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.