human dynamo

1. 1.

   a highly energetic and indefatigable person

   Synonymspowerhouseball of firefireball

   Broaderactor

   Narrowerself-starter

Questions about human dynamo

What does human dynamo mean?

human dynamo means "a highly energetic and indefatigable person".

What is another word for human dynamo?

Close synonyms include powerhouse, ball of fire, fireball. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is human dynamo a common word?

human dynamo is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.