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Definitions

dynamo

[dahy-nuh-moh] / ˈdaɪ nəˌmoʊ /
NOUN
go-getter
Synonyms
STRONG
achiever doer fireball generator pistol
WEAK
ball of fire bundle of energy busy person eager beaver energetic person hard worker hot shot live wire mover and shaker risk-taker spark plug whiz kid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Yvonne Carvalho, a 5-foot dynamo with oversize black glasses and purple MAC lipstick, greeted the nurse anesthesiologist with a bear hug and questions about her dating life and her daughter.

From The Wall Street Journal • Dec. 10, 2025

When David Ellison took the reins of Paramount Skydance just four months ago, he promised to rapidly transform the storied movie studio and television business into a tech-forward dynamo well positioned for growth.

From MarketWatch • Dec. 6, 2025

Aubrey owns Eternal, parent company of food delivery dynamo Zomato, and FSN E-Commerce Ventures, parent of beauty products site Nykaa.

From Barron's • Nov. 20, 2025

Continuing down the roster, Cronin got to Austin Reaves, the 6-5 dynamo.

From Los Angeles Times • Nov. 1, 2025

The brooding spirit of the trees surrounded him like the coils of an electric dynamo.

From "The Ear, the Eye, and the Arm" by Nancy Farmer