student asking question

What's "whilst?" Is is same as "while?"

teacher

Native speaker’s answer

Rebecca

As a conjunction and an adverb, they mean the same thing! They mean during or at the same time as something, or they indicate a contrast. However, you can't use "whilst" as a noun the same way we use "while" to mean a period of time. "Whilst" also sounds slightly more formal and is probably considered more British English than American. Ex: I'll read a book while you play soccer. = I'll read a book whilst you play soccer. Ex: While the walls were a nice blue, the door was a horrendous red. = Whilst the walls were a nice blue, the door was a horrendous red. Ex: It took a while for them to get here. => correct = It took a whilst for them to get here. => incorrect

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