yeast

Proposed by a contributor, not yet supported by evidence.

Sense 1

Meaning · English

To ferment.

Where it’s used: Used American English
Sources & notes

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

Sense 2

Meaning · English

To rise.

Sources & notes

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

Sense 3

Meaning · English

To exaggerate.

Register: slang

Sources & notes

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

Common questions

What does “yeast” mean?

To ferment.

Is “yeast” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.