bob up

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

Sense 1

Meaning · English

To rise to the surface; to ascend to the surface and remain floating there.

Nghĩa · Tiếng Việt

lên bề mặt; trồi lên và nổi

Machine-translated — suggest a fix

Where it’s used: Used American English

Examples

He bobbed up and flailed toward the near bank. The weight of his boots and soaked uniform kept pulling him under.

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

To appear or arrive unexpectedly.

Nghĩa · Tiếng Việt

xuất hiện hoặc đến đột ngột

Machine-translated — suggest a fix

Sources & notes

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

Common questions

What does “bob up” mean?

To rise to the surface; to ascend to the surface and remain floating there.

Is “bob up” formal or informal?

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