English dictionary



Hint: Question mark (?) is a wildcard. Question mark substitutes one character.

English noun: human dynamo

1. human dynamo (person) a highly energetic and indefatigable person


Synonymsball of fire, fireball, powerhouse


Broader (hypernym)actor, doer, worker


Narrower (hyponym)self-starter









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk