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Dynamo Meaning in English

word

Definition

A dynamo is a machine that generates electricity. Informally, it can also mean a person who is very energetic and active.

Usage & Nuances

Formal in technical contexts (machine), informal or colloquial for describing energetic people. Common phrases: 'He's a real dynamo at work.' Not as common outside technical or figurative use.

Example Sentences

The old bicycle has a dynamo to power the lights.

basic

A dynamo converts mechanical energy into electricity.

basic

My grandfather fixed the dynamo in his radio.

basic

Sally is a real dynamo—she never seems to get tired at work.

natural

That little kid is a dynamo on the soccer field!

natural

If you need someone to get things done, call Tom—he's a dynamo.

natural