warn

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warn /ˈwoɚn/ verb
warns; warned; warning
warn
/ˈwoɚn/
verb
warns; warned; warning
Learner's definition of WARN
: to tell (someone) about possible danger or trouble
[+ object]
[no object]
usually + about or of
: to tell (someone) to do or not to do something in order to avoid danger or trouble
[+ object]
[no object]
usually + against

warn off

[phrasal verb]
warn (someone) off or warn (someone) off (something)
: to tell (someone) to go or stay away in order to avoid danger or trouble
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