do by
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To perform on behalf of someone or with someone in mind; to behave in a manner befitting someone.
Nghĩa · Tiếng Việt
Thực hiện vì lợi ích của ai đó hoặc với ai đó trong tâm trí
Machine-translated — suggest a fix
Register: informal
Where it’s used:
Used
American English
Examples
I've tried hard to do right by him. Even so, he continues to do badly by me.
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 “do by” mean?
To perform on behalf of someone or with someone in mind; to behave in a manner befitting someone.
Is “do by” formal or informal?
do by is generally informal.