The word 'wink' can be used both as a noun and verb and when you are using it as a verb it conveys the idea of closing one eye and open it again very quickly. The word is especially used when somebody is performing the activity as a private signal to somebody when he wants to say that it was a joke. Given below is a sentence that can help you while understanding the word well: John winked at Carolina and she could understand that he was also thinking the same thing as she was.
The word can also be used in the phrasal verbs and when somebody is using the phrase 'wink at something', he is conveying that somebody is pretending that he has not seen something that is illegal or bad.
The word can also be used in the phrasal verbs and when somebody is using the phrase 'wink at something', he is conveying that somebody is pretending that he has not seen something that is illegal or bad.