Pronunciation: /wɔrn/
verb to inform someone in advance of a possible danger, problem, or other unpleasant situation
A1 He warned his little sister not to touch the hot stove.
A2 The teacher warned the students not to cheat on the exam.
B1 The company warned employees about a possible data breach.
B2 The captain warned the crew of an approaching storm.
C1 The expert warned of the dangers of investing in risky stocks.
C2 The government warned citizens to prepare for a possible natural disaster.
formal The weather forecast warned of heavy rain and strong winds.
informal I warned you not to eat that spicy food before bed.
slang I warned him that hanging out with those guys would get him in trouble.
figurative Her constant headaches were a warning sign of something more serious.
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