warn
1 of 1verb/wɔrn/
Forms:warns,warning,warned,warned
1
to tell someone in advance about a possible danger, problem, or unfavorable situation
B1transitive- The weather forecast warned residents of an approaching storm.
- The software system warned users about potential security risks.
- The detective warned the witness about the possible threats to their safety.
- The lifeguard warned the swimmers about the dangerous rip currents.
- They warned the travelers about potential delays at the airport.
2
advise or counsel in terms of someone's behavior
- The teacher warned the students not to plagiarize their assignments.
- The parent warned their child to avoid talking to strangers and emphasized the importance of personal safety.
- The nutritionist warned against crash diets, explaining that they could lead to nutrient deficiencies.
- Law enforcement agencies warn drivers against leaving valuables in plain sight in parked vehicles.
- The doctor warned the patient against consuming too much sugar, citing its negative effects on overall health
Synonyms:
3
to inform or alert someone about something before it happens
- The teacher warned the students that there would be a quiz the following day.
- The parent warned their child that the family would be moving to a new city next month.
- The parent warned their child that they would be visited by the tooth fairy after losing a tooth.
- The coach warned the team that there would be a fitness test at the end of the week.
- The organizer warned attendees that there would be a surprise guest speaker at the event.