Formal:
* Reprimand: This is a more formal and neutral word for scolding someone.
* Rebuke: Similar to reprimand, this suggests a formal and serious criticism.
* Admonish: This implies a warning or gentle scolding.
* Censure: This suggests a strong and formal criticism, often from a person or group in authority.
* Chastise: This implies a severe scolding, often with punishment involved.
Informal:
* Scold: This is a common, everyday word for criticizing someone.
* Berate: This implies a harsh and angry scolding.
* Harangue: This suggests a long, angry, and aggressive speech of criticism.
* Rate: This is a slang term for scolding someone.
* Tell off: This is a more informal and direct way of saying "scold."
The best synonym to use will depend on the specific context and the tone you want to convey.