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

The new study instead suggests the dynamo may come from continuous core growth itself. — Rupendra Brahambhatt, Interesting Engineering, 10 May 2026

Miles projects as a commanding dynamo who will cause havoc with her ability to play at a high tempo in transition, move the ball quickly in the half-court offense and deliver no-look passes from any angle. — Matthew Coller, Twin Cities, 12 Apr. 2026

The first choreographer for the Dallas Cowboys Cheerleaders was a chain-smoking dynamo named Texie Waterman, who’d made a run at New York stages before returning to her hometown to teach dance. — Sarah Hepola, Dallas Morning News, 8 Apr. 2026

Article continues below Some scientists had wondered whether the sun's magnetic dynamo was situated in a narrow near-surface layer, or perhaps extends throughout the entire convective layer. — Keith Cooper, Space.com, 26 Mar. 2026