whilst
Translation
while, whereas
Examples
She studied hard whilst her friends were out.
She studied hard while her friends were out.
Whilst I understand your point, I disagree.
While I understand your point, I disagree.
Grammar Patterns
whilst + [clause] during the time that... (formal, less common) She studied hard whilst her friends were out.
whilst + [clause] although... (formal, less common) Whilst I understand your point, I disagree.
Similar Words
Synonyms: while, whereas
Etymology
From 'while' + '-s' (adverbial genitive) + an unetymological '-t'. Much less common in American English.
Memory Tips
Recognize this as a more formal, primarily British, version of 'while'. In the US, 'while' is almost always used instead.