English · Phrasal verb Attested

bubble in

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

Both English Tiếng Việt

Meaning · English

To mark a response on a form, particularly on a multiple-choice exam, by filling in a circular area (‘bubble’).

Nghĩa · Tiếng Việt

Đánh dấu trả lời trên biểu mẫu bằng cách điền vào khu vực tròn

Machine-translated — suggest a fix

Where it’s used: Used American English

Once you’ve answered all of the questions on one or two pages, bubble in your answers before turning the page.

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).

Common questions

What does “bubble in” mean?

To mark a response on a form, particularly on a multiple-choice exam, by filling in a circular area (‘bubble’).

Is “bubble in” formal or informal?

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

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