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

puzzle-icon

NEED HELP SOLVING A CROSSWORD PUZZLE?

Go to our Crossword Puzzle Solver and type in the letters that you know, and the Solver will produce a list of possible solutions.

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

storm (stôrm)
Share:
n.
1. An atmospheric disturbance manifested in strong winds accompanied by rain, snow, or other precipitation and often by thunder and lightning.
2. A wind with a speed from 48 to 55 knots (55 to 63 miles per hour; 89 to 102 kilometers per hour), according to the Beaufort scale. Also called whole gale.
3. A heavy shower of objects, such as bullets or missiles.
4. A strong or violent outburst, as of emotion or excitement: a storm of tears.
5. A violent disturbance or upheaval, as in political, social, or domestic affairs: a storm of protest.
6. A violent, sudden attack on a fortified place.
7. A storm window.
v. stormed, storm·ing, storms
v.intr.
1. To blow with strong winds and usually produce copious rain, snow, or other precipitation: It stormed throughout the night.
2. To behave or shout angrily; rant and rage: stormed at his incompetence.
3. To move or rush tumultuously, violently, or angrily: stormed up the embankment; stormed out of the room.
v.tr.
1. To assault or capture suddenly: The troops stormed the fortress. See Synonyms at attack.
2. To travel around (a place) vigorously in an attempt to gain support: The candidates stormed the country.
3. To shout angrily: "Never!" she stormed.
Idiom:
take by storm
To captivate completely: a new play that took New York City by storm.

[Middle English, from Old English.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. 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.

This website is best viewed in Chrome, Firefox, Microsoft Edge, or Safari. Some characters in pronunciations and etymologies cannot be displayed properly in Internet Explorer.