Search Dictionary
Definition of dynamo

dynamo

/ˈdaɪ.nə.moʊ/
dy · na · mo
Adverb:dynamically
•
Plural:dynamos
•
Adjective:dynamic
JUMP TO:

dynamo Lexical Profile

dynamo Game Scores & Validity

• noun

1

An extremely energetic, hardworking, and forcefully effective person.

Example

"As a political dynamo, she single-handedly organized the grassroots campaign that led to the unexpected victory."

2

A machine that converts mechanical energy into electrical energy, typically by means of rotating coils of copper wire in a magnetic field.

Example

"The hydroelectric dam uses a massive dynamo to generate electricity for the entire valley."

Synonyms
View all synonyms for dynamo
Antonyms
View all antonyms for dynamo

• Nearby Words

dynamism
dynamite
dynamiter
dynamo
dynastic
dynastically
dynasty

Word Origin & Etymology

Late 19th century: an abbreviation of 'dynamoelectric machine', derived from the Greek 'dunamis' meaning 'power'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Dynamo. In Wordmom Dictionary. Retrieved Nov 6, 2026, from https://wordmom.com/dictionary/dynamo
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.