Meaning of Who in Tamil:
Spoken vs Formal
Formal / Written
யார்
"Yaar"
For textbooks, news, and formal speeches.
REAL LIFE
Spoken / Chatயாரு
"Yaaru"
Use this with friends, family, and on WhatsApp.
When to use which?
Yaar -> Yaaru.
Example Usage
English
"Who is that?"
Formal
அது யார் (Adhu yaar)?
Spoken (Better)
அது யாரு (Adhu yaaru)?