warn

//wɔːrn//
B1Frequency Level 6Neutral
Visual representation of warn

Verb

warnInfinitive
warnPresent tense
warnedPast tense
warnedPast participle
warningPresent participle
warnsThird-person singular
1

to inform someone in advance about a possible danger, problem, or other unpleasant situation

I warned him about the danger of driving too fast.

2

to advise someone not to do something, especially because it may be dangerous or have negative consequences

I warned him not to drive in the storm.

3

to give notice or alert someone about something that requires attention or caution

The sign warns visitors about the slippery floor.