warn
The weather forecast warned of heavy rain.
The weather forecast alerted people to expect heavy rain.
to inform someone of a potential danger or problem so they can take action
The doctor warned her about the side effects of the medication.
The doctor informed her about possible negative effects of the medication.
Often used to encourage caution or preparation.
to give a formal notice or caution, often in a legal or official context
The company was warned about violating safety regulations.
The company received an official notice about breaking safety rules.
In legal contexts, a warning may be a formal notice before legal action.
Related Phrases
Pro Tip
Formal vs. Informal Use
In formal contexts, 'warn' can imply legal consequences, while in everyday speech, it's often just a friendly caution.
Gold Rule
Legal Implications
In legal or professional settings, a warning may require a documented response.
Word Origin
Old English *warnian, from Proto-Germanic *warnōjanan, meaning 'to take heed, guard against'
Usage Notes
Can be used in both formal and informal contexts, but formal warnings often carry legal implications.