
Know somebody by sight
Visual Recognition
This phrase implies you can visually recognize someone but lack personal connection or interaction.

At company events, I know many colleagues by sight but haven't worked with them directly.
Acquaintance Level
Use this phrase to describe a low level of acquaintance, mainly through frequent visual encounters.

I know some parents by sight from school meetings.
Not for Introductions
Avoid using this phrase when introducing someone, as it indicates you're not personally acquainted.

I can't introduce you to her; I only know her by sight.
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension