look out Definition in the Cambridge English Dictionary
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Definition of “look out” - English Dictionary

Definition of "look out" - American English Dictionary

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look out

phrasal verb with look  us   /lʊk/ verb
to ​watch what is ​happening and be ​careful: Please look out when you’re ​crossingstreets.
(Definition of look out from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "look out" - British English Dictionary

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look out

phrasal verb with look uk   us   /lʊk/ verb
to ​watch what is ​happening and be ​careful: The ​police have ​warnedshopkeepers to ​look out forforgednotes.B1 said or ​shouted in ​order to ​tell someone that they are in ​danger: Look out! There's a ​car coming!
(Definition of look out from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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