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
• highflyer
• hustler
• go-getter
• doer
• go-ahead
• highflier
• enterpriser
• hummer
• 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

This, in turn, affects convection in the outer core—the dynamo-like process that generates the magnetic field that protects life on Earth from harmful cosmic rays. —Gordon G. Chang, Newsweek, 3 Mar. 2025

Aaron Pierre’s former Marine Terry Richmond is a physical dynamo trained in de-escalation techniques who puts racist cops on their ass, uncovers a small-town civil-asset-forfeiture conspiracy, and plans a large-scale assault on the police force that let his cousin die. —Roxana Hadadi, Vulture, 27 Feb. 2025

Arizona State’s dynamo is part bowling ball, part ballistic missile — all of it packaged in the body of a tailback who became one of the sport’s best players and finished fifth in the Heisman race. —Jon Wilner, The Mercury News, 26 Feb. 2025

Scientists do believe the Moon had a magnetic field billions of years ago that was roughly comparable in strength to Earth’s, generated by a now-extinct molten core dynamo. —Jake Parks, Discover Magazine, 21 Feb. 2025