bad

In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Meaning · English

Bold, daring, and tough.

Register: slang

Where it’s used: Used American English

Examples

He's the baddest guy in town!

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Sense 2

Meaning · English

Good, superlative, excellent, cool.

Register: slang

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Sense 3

Meaning · English

Overly promiscuous, licentious.

Register: slang

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “bad” mean?

Bold, daring, and tough.

Is “bad” formal or informal?

bad is generally slang.