English · Phrasal verb Attested

line in

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

Both English Tiếng Việt

Meaning · English

To finish a sketch or outline by using a permanent marker, pencil, etc. to trace over lines made with a softer implement.

Nghĩa · Tiếng Việt

Hoàn thiện bản phác thảo bằng bút dạ hoặc bút chì

Machine-translated — suggest a fix

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).

Common questions

What does “line in” mean?

To finish a sketch or outline by using a permanent marker, pencil, etc. to trace over lines made with a softer implement.

Is “line 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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