Synonyms of dynamo

dynamo

noun

ˈdī-nə-ˌmō 

as in pistol

a very energetic person

a dynamo who barely needs to sleep, or so it seems

Synonyms & Similar Words

• pistol
• powerhouse
• fireball
• achiever
• live wire
• self-starter
• hustler
• go-getter
• doer
• go-ahead
• highflier
• hummer
• enterpriser
• comer
• bootstrapper
• dasher

Antonyms & Near Antonyms

• idler
• loafer
• trifler
• dawdler
• slacker
• lounger
• slug
• shirker
• do-nothing
• slouch
• drone
• goldbrick
• deadbeat
• couch potato
• lazybones
• sluggard
• clock-watcher
• laggard
• layabout
• loiterer
• slowpoke
• lingerer
• slugabed
• stick-in-the-mud
• dallier

Example Sentences

Recent Examples of dynamo

Two seasons in, the massively expensive Amazon show and passion project of Jeff Bezos himself is critically liked but not exactly the ratings dynamo the service probably would have wanted given the series’ reported $1 billion investment. — Josef Adalian, Vulture, 10 Sep. 2026

Senior running back Wayne Knight, the Bruins’ 5-foot-7 dynamo, ran for two fourth-quarter touchdowns. — Mirjam Swanson, Los Angeles Times, 6 Sep. 2026

In the bottom of the first, the goateed dynamo turned on an up-and-in 99 mph fastball from Woo, launching it 404 feet into the right-field seats. — Zack Cox, Boston Herald, 2 Sep. 2026

There’s 5-year-old Ara, who has diabetes (a fact the film focuses on with a touch of heavy-handed irony), but is a numbers-crunching dynamo who does Pilates. — Owen Gleiberman, Variety, 8 Aug. 2026